#155C77#155C77

#155C77 is a dark, moderate cyan. Relative luminance 0.091; OKLCH L 44.6% C 0.080 H 228.9°. Best body text is #FFFFFF at 7.42:1 contrast (WCAG AA passes).

Color values

HEX	#155C77
RGB	rgb(21, 92, 119)
HSL	hsl(197, 70%, 27%)
HSV	hsv(197, 82%, 47%)
CMYK	cmyk(82.4%, 22.7%, 0%, 53.3%)
CIE-LAB	lab(36.26, -11.14, -21.30)
CIE-LCH	lch(36.26, 24.04, 242.39°)
OKLab	oklab(44.57% -0.0523 -0.0599)
OKLCH	oklch(44.57% 0.08 228.9)
XYZ	xyz(7.4648, 9.1447, 18.8209)
Luminance	0.0915 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#155C77 #773015

analogous

#157761 #155C77 #152B77

triadic

#155C77 #77155C #5C7715

tetradic

#155C77 #611577 #773015 #2B7715

square

#155C77 #611577 #773015 #2B7715

split-complementary

#155C77 #77152B #776115

monochromatic

#05141A #0C3443 #155C77 #1E84AB #2DAADA

Accessibility & contrast

On white

7.42

#155C77 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.83

#155C77 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #155C77

7.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##155C77	#FFFFFF	#000000	##FFFFFF
##155C77	1.00	7.42	2.83	7.42
#FFFFFF	7.42	1.00	21.00	1.00
#000000	2.83	21.00	1.00	21.00
##FFFFFF	7.42	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4E5A78

Deuteranopia (green-blind)

#415177

Tritanopia (blue-blind)

#006465

Achromatopsia (no color)

#555555

Design tokens & code

CSS

--color: #155c77;
/* rgb */ color: rgb(21, 92, 119);
/* oklch */ color: oklch(44.6% 0.080 228.9);

Tailwind

colors: {
  custom: {
    50: '#648a9e',
    500: '#155c77',
    950: '#000000',
  },
}

SCSS

$custom: #155c77;
$custom-light: #648a9e;
$custom-dark: #000000;

JSON

{
  "hex": "#155c77",
  "rgb": {
    "r": 21,
    "g": 92,
    "b": 119
  },
  "hsl": {
    "h": 196.531,
    "s": 70,
    "l": 27.451
  },
  "oklch": {
    "l": 0.44574,
    "c": 0.07952,
    "h": 228.9
  },
  "luminance": 0.09146
}

Semantic roles & 50–950 ramp

primary

#155C77

secondary

#AD5A3B

accent

#6C3BED

background

#F6F8F9

surface

#EBF0F2

border

#C6CBCC

text

#060B0E

muted

#7A7C7E

Preview Lab

Preview with #155C77

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

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