#255B79#255B79

#255B79 is a dark, moderate cyan. Relative luminance 0.093; OKLCH L 44.9% C 0.075 H 236.2°. Best body text is #FFFFFF at 7.37:1 contrast (WCAG AA passes).

Color values

HEX	#255B79
RGB	rgb(37, 91, 121)
HSL	hsl(201, 53%, 31%)
HSV	hsv(201, 69%, 47%)
CMYK	cmyk(69.4%, 24.8%, 0%, 52.5%)
CIE-LAB	lab(36.47, -7.47, -22.18)
CIE-LCH	lch(36.47, 23.40, 251.39°)
OKLab	oklab(44.9% -0.0417 -0.0623)
OKLCH	oklch(44.9% 0.075 236.2)
XYZ	xyz(7.9539, 9.2551, 19.4527)
Luminance	0.0926 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#255B79 #794325

analogous

#25796D #255B79 #253179

triadic

#255B79 #79255B #5B7925

tetradic

#255B79 #6D2579 #794325 #317925

square

#255B79 #6D2579 #794325 #317925

split-complementary

#255B79 #792531 #796D25

monochromatic

#08151B #17384A #255B79 #337EA8 #4F9EC9

Accessibility & contrast

On white

7.37

#255B79 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.85

#255B79 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #255B79

7.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##255B79	#FFFFFF	#000000	##FFFFFF
##255B79	1.00	7.37	2.85	7.37
#FFFFFF	7.37	1.00	21.00	1.00
#000000	2.85	21.00	1.00	21.00
##FFFFFF	7.37	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4D5A7A

Deuteranopia (green-blind)

#415279

Tritanopia (blue-blind)

#006365

Achromatopsia (no color)

#565656

Design tokens & code

CSS

--color: #255b79;
/* rgb */ color: rgb(37, 91, 121);
/* oklch */ color: oklch(44.9% 0.075 236.2);

Tailwind

colors: {
  custom: {
    50: '#6a89a0',
    500: '#255b79',
    950: '#000000',
  },
}

SCSS

$custom: #255b79;
$custom-light: #6a89a0;
$custom-dark: #000000;

JSON

{
  "hex": "#255b79",
  "rgb": {
    "r": 37,
    "g": 91,
    "b": 121
  },
  "hsl": {
    "h": 201.429,
    "s": 53.165,
    "l": 30.98
  },
  "oklch": {
    "l": 0.44898,
    "c": 0.07495,
    "h": 236.2
  },
  "luminance": 0.09256
}

Semantic roles & 50–950 ramp

primary

#255B79

secondary

#AB704E

accent

#7F4BDD

background

#F6F8F9

surface

#ECF0F2

border

#C7CBCC

text

#070B0E

muted

#7A7C7E

Preview Lab

Preview with #255B79

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

Preview Lab → · Contrast checker → · Palette generator →