#008596 colour

#008596 is a dark cyan close to CSS darkcyan. RGB 0, 133, 150, HSL 187, 100%, 29%. Black text passes AA (4.80:1), white passes AA for large text (4.38:1).

#008596

Nearest CSS name: darkcyan #008b8b (not an exact match)
Described as: a dark cyan
Red, green, blue: 0, 133, 150
Web safe: No
Luminance: 0.1898 (WCAG relative luminance, 0 is black, 1 is white)

Colour codes

HEX	`#008596`
RGB	`rgb(0, 133, 150)`
RGB (percent)	`rgb(0% 52.2% 58.8%)`
HSL	`hsl(186.8, 100%, 29.4%)`
HSV / HSB	`hsv(186.8, 100%, 58.8%)`
HWB	`hwb(186.8 0% 41.2%)`
CMYK (naive)	`cmyk(100%, 11%, 0%, 41%)`
CIELAB (D50)	`lab(50.29% -26.77 -18.32)`
OKLCH	`oklch(56.52% 0.0979 210.41)`
Decimal	`34198`

CMYK here is the plain formula with no colour profile, so treat it as a starting point; a printer's profile gives the real ink values. CIELAB uses a D50 white point, as CSS lab() does. HSV is not a CSS function, so it is shown for design apps only.

Contrast with white and black text

White text, 4.38:1The quick brown fox jumps over the lazy dog.

Black text, 4.80:1The quick brown fox jumps over the lazy dog.

Text	Ratio	AA normal (4.5)	AA large (3)	AAA normal (7)	AAA large (4.5)
White	4.38:1	Fail	Pass	Fail	Fail
Black	4.80:1	Pass	Pass	Fail	Pass

Black text is the better choice on #008596 (4.80:1). Ratios use the WCAG 2.2 formula; large text means at least 24px, or 18.66px bold. Check another pair.

Tints and shades

Mixed with white, then with black, in ten even steps (straight sRGB mixing, as most design tools do).

9%#1790a0 18%#2e9ba9 27%#46a6b3 36%#5db1bc 45%#74bcc6 55%#8bc8cf 64%#a2d3d9 73%#b9dee2 82%#d1e9ec 91%#e8f4f5

9%#007988 18%#006d7b 27%#00616d 36%#00555f 45%#004952 55%#003c44 64%#003037 73%#002429 82%#00181b 91%#000c0e

Colour harmonies

Hue turned around the HSL colour wheel, saturation and lightness kept.

Complementary

The hue opposite on the colour wheel (180°).

#008596 #961100

Analogous

Neighbours 30° either side.

#00965c #008596 #003a96

Triadic

Three hues 120° apart.

#008596 #960085 #859600

Split complementary

The two hues either side of the complement (150° and 210°).

#008596 #96003a #965c00

Tetradic (square)

Four hues 90° apart.

#008596 #5c0096 #961100 #3a9600

How it looks with colour blindness

Normal vision#008596 Protanopia#778097 Deuteranopia#667396 Tritanopia#008c8a Achromatopsia#797979

Simulated with the Machado, Oliveira and Fernandes (2009) matrices at full severity, applied in linear RGB; achromatopsia shows the colour's luminance as grey. Milder forms (protanomaly, deuteranomaly) are far more common and shift colours less. Never use colour as the only way to carry meaning.

CSS

Text colour	`color: #008596;`
Background	`background-color: #008596;`
Border	`border: 1px solid #008596;`
Half transparent	`background-color: rgb(0 133 150 / 50%);`
Custom property	`--colour-main: #008596;`
Gradient to a darker shade	`background: linear-gradient(135deg, #008596, #00505a);`
Gradient from a lighter tint	`background: linear-gradient(180deg, #66b6c0, #008596);`
Text on this colour	`background-color: #008596; color: #000;`

Similar named colours

Distance is measured in OKLab, scaled by 100; under about 2 is hard to tell apart side by side.

Convert #008596 to other formats · Build a palette from it · Check contrast · All named colours

Colour names from CSS Color Module Level 4. Palette values from the Tailwind CSS v3 default palette (MIT licence) and the Material Design 2014 colour palette as published in Material Design Lite (Apache License 2.0). All other values are calculated from the hex code.