#155B77#155B77

#155B77 is a dark, moderate cyan. Relative luminance 0.090; OKLCH L 44.3% C 0.080 H 230.1°. Best body text is #FFFFFF at 7.51:1 contrast (WCAG AA passes).

Color values

HEX	#155B77
RGB	rgb(21, 91, 119)
HSL	hsl(197, 70%, 27%)
HSV	hsv(197, 82%, 47%)
CMYK	cmyk(82.4%, 23.5%, 0%, 53.3%)
CIE-LAB	lab(35.93, -10.55, -21.82)
CIE-LCH	lch(35.93, 24.23, 244.20°)
OKLab	oklab(44.31% -0.0512 -0.0614)
OKLCH	oklch(44.31% 0.08 230.1)
XYZ	xyz(7.3788, 8.9726, 18.7922)
Luminance	0.0897 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#155B77 #773115

analogous

#157762 #155B77 #152A77

triadic

#155B77 #77155B #5B7715

tetradic

#155B77 #621577 #773115 #2A7715

square

#155B77 #621577 #773115 #2A7715

split-complementary

#155B77 #77152A #776215

monochromatic

#05141A #0C3343 #155B77 #1E83AB #2DA8DA

Accessibility & contrast

On white

7.51

#155B77 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.79

#155B77 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #155B77

7.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##155B77	#FFFFFF	#000000	##FFFFFF
##155B77	1.00	7.51	2.79	7.51
#FFFFFF	7.51	1.00	21.00	1.00
#000000	2.79	21.00	1.00	21.00
##FFFFFF	7.51	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4D5A78

Deuteranopia (green-blind)

#405077

Tritanopia (blue-blind)

#006364

Achromatopsia (no color)

#545454

Design tokens & code

CSS

--color: #155b77;
/* rgb */ color: rgb(21, 91, 119);
/* oklch */ color: oklch(44.3% 0.080 230.1);

Tailwind

colors: {
  custom: {
    50: '#64899e',
    500: '#155b77',
    950: '#000000',
  },
}

SCSS

$custom: #155b77;
$custom-light: #64899e;
$custom-dark: #000000;

JSON

{
  "hex": "#155b77",
  "rgb": {
    "r": 21,
    "g": 91,
    "b": 119
  },
  "hsl": {
    "h": 197.143,
    "s": 70,
    "l": 27.451
  },
  "oklch": {
    "l": 0.44311,
    "c": 0.07998,
    "h": 230.1
  },
  "luminance": 0.08974
}

Semantic roles & 50–950 ramp

primary

#155B77

secondary

#AD5C3B

accent

#6E3BED

background

#F6F8F9

surface

#EBF0F2

border

#C6CBCC

text

#060B0E

muted

#7A7C7E

Preview Lab

Preview with #155B77

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

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