#155C71#155C71

#155C71 is a dark, moderate cyan. Relative luminance 0.090; OKLCH L 44.3% C 0.074 H 222.7°. Best body text is #FFFFFF at 7.50:1 contrast (WCAG AA passes).

Color values

HEX	#155C71
RGB	rgb(21, 92, 113)
HSL	hsl(194, 69%, 26%)
HSV	hsv(194, 81%, 44%)
CMYK	cmyk(81.4%, 18.6%, 0%, 55.7%)
CIE-LAB	lab(35.99, -13.38, -18.01)
CIE-LCH	lch(35.99, 22.44, 233.40°)
OKLab	oklab(44.27% -0.0547 -0.0505)
OKLCH	oklch(44.27% 0.074 222.7)
XYZ	xyz(7.1158, 9.0051, 16.9827)
Luminance	0.0901 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#155C71 #712A15

analogous

#157158 #155C71 #152E71

triadic

#155C71 #71155C #5C7115

tetradic

#155C71 #581571 #712A15 #2E7115

square

#155C71 #581571 #712A15 #2E7115

split-complementary

#155C71 #71152E #715815

monochromatic

#05151A #0B323D #155C71 #1F86A5 #29B0D7

Accessibility & contrast

On white

7.50

#155C71 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.80

#155C71 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #155C71

7.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##155C71	#FFFFFF	#000000	##FFFFFF
##155C71	1.00	7.50	2.80	7.50
#FFFFFF	7.50	1.00	21.00	1.00
#000000	2.80	21.00	1.00	21.00
##FFFFFF	7.50	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#505A72

Deuteranopia (green-blind)

#445171

Tritanopia (blue-blind)

#006263

Achromatopsia (no color)

#555555

Design tokens & code

CSS

--color: #155c71;
/* rgb */ color: rgb(21, 92, 113);
/* oklch */ color: oklch(44.3% 0.074 222.7);

Tailwind

colors: {
  custom: {
    50: '#638a9a',
    500: '#155c71',
    950: '#000000',
  },
}

SCSS

$custom: #155c71;
$custom-light: #638a9a;
$custom-dark: #000000;

JSON

{
  "hex": "#155c71",
  "rgb": {
    "r": 21,
    "g": 92,
    "b": 113
  },
  "hsl": {
    "h": 193.696,
    "s": 68.657,
    "l": 26.275
  },
  "oklch": {
    "l": 0.44272,
    "c": 0.07446,
    "h": 222.7
  },
  "luminance": 0.09006
}

Semantic roles & 50–950 ramp

primary

#155C71

secondary

#A7533B

accent

#643CEB

background

#F6F8F9

surface

#EBF0F2

border

#C6CBCC

text

#060B0E

muted

#7A7C7E

Preview Lab

Preview with #155C71

Body copy rendered with the generated semantic roles for this colour.

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