#255B77#255B77

#255B77 is a dark, moderate cyan. Relative luminance 0.092; OKLCH L 44.8% C 0.073 H 234.4°. Best body text is #FFFFFF at 7.39:1 contrast (WCAG AA passes).

Color values

HEX	#255B77
RGB	rgb(37, 91, 119)
HSL	hsl(200, 53%, 31%)
HSV	hsv(200, 69%, 47%)
CMYK	cmyk(68.9%, 23.5%, 0%, 53.3%)
CIE-LAB	lab(36.38, -8.19, -21.09)
CIE-LCH	lch(36.38, 22.62, 248.78°)
OKLab	oklab(44.8% -0.0424 -0.0592)
OKLCH	oklch(44.8% 0.073 234.4)
XYZ	xyz(7.8325, 9.2066, 18.8134)
Luminance	0.0921 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#255B77 #774125

analogous

#25776A #255B77 #253277

triadic

#255B77 #77255B #5B7725

tetradic

#255B77 #6A2577 #774125 #327725

square

#255B77 #6A2577 #774125 #327725

split-complementary

#255B77 #772532 #776A25

monochromatic

#08141A #163748 #255B77 #347FA6 #4E9EC8

Accessibility & contrast

On white

7.39

#255B77 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.84

#255B77 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #255B77

7.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##255B77	#FFFFFF	#000000	##FFFFFF
##255B77	1.00	7.39	2.84	7.39
#FFFFFF	7.39	1.00	21.00	1.00
#000000	2.84	21.00	1.00	21.00
##FFFFFF	7.39	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4D5A78

Deuteranopia (green-blind)

#425277

Tritanopia (blue-blind)

#006264

Achromatopsia (no color)

#565656

Design tokens & code

CSS

--color: #255b77;
/* rgb */ color: rgb(37, 91, 119);
/* oklch */ color: oklch(44.8% 0.073 234.4);

Tailwind

colors: {
  custom: {
    50: '#6a899e',
    500: '#255b77',
    950: '#000000',
  },
}

SCSS

$custom: #255b77;
$custom-light: #6a899e;
$custom-dark: #000000;

JSON

{
  "hex": "#255b77",
  "rgb": {
    "r": 37,
    "g": 91,
    "b": 119
  },
  "hsl": {
    "h": 200.488,
    "s": 52.564,
    "l": 30.588
  },
  "oklch": {
    "l": 0.44795,
    "c": 0.0728,
    "h": 234.4
  },
  "luminance": 0.09207
}

Semantic roles & 50–950 ramp

primary

#255B77

secondary

#A96D4E

accent

#7D4CDC

background

#F6F8F9

surface

#EBF0F2

border

#C6CBCC

text

#070B0E

muted

#7A7C7E

Preview Lab

Preview with #255B77

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

Preview Lab → · Contrast checker → · Palette generator →