#254657#254657

#254657 is a dark, muted cyan. Relative luminance 0.055; OKLCH L 37.7% C 0.048 H 232.5°. Best body text is #FFFFFF at 10.04:1 contrast (WCAG AA passes).

Color values

HEX	#254657
RGB	rgb(37, 70, 87)
HSL	hsl(200, 40%, 24%)
HSV	hsv(200, 57%, 34%)
CMYK	cmyk(57.5%, 19.5%, 0%, 65.9%)
CIE-LAB	lab(28.01, -6.53, -13.82)
CIE-LCH	lch(28.01, 15.29, 244.69°)
OKLab	oklab(37.67% -0.0295 -0.0384)
OKLCH	oklch(37.67% 0.048 232.5)
XYZ	xyz(4.6728, 5.4614, 9.8229)
Luminance	0.0546 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#254657 #573625

analogous

#25574F #254657 #252D57

triadic

#254657 #572546 #465725

tetradic

#254657 #4F2557 #573625 #2D5725

square

#254657 #4F2557 #573625 #2D5725

split-complementary

#254657 #57252D #574F25

monochromatic

#091115 #13232C #254657 #376982 #4A8BAD

Accessibility & contrast

On white

10.04

#254657 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.09

#254657 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #254657

10.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##254657	#FFFFFF	#000000	##FFFFFF
##254657	1.00	10.04	2.09	10.04
#FFFFFF	10.04	1.00	21.00	1.00
#000000	2.09	21.00	1.00	21.00
##FFFFFF	10.04	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3E4558

Deuteranopia (green-blind)

#374057

Tritanopia (blue-blind)

#054B4C

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #254657;
/* rgb */ color: rgb(37, 70, 87);
/* oklch */ color: oklch(37.7% 0.048 232.5);

Tailwind

colors: {
  custom: {
    50: '#647986',
    500: '#254657',
    950: '#000000',
  },
}

SCSS

$custom: #254657;
$custom-light: #647986;
$custom-dark: #000000;

JSON

{
  "hex": "#254657",
  "rgb": {
    "r": 37,
    "g": 70,
    "b": 87
  },
  "hsl": {
    "h": 200.4,
    "s": 40.323,
    "l": 24.314
  },
  "oklch": {
    "l": 0.37667,
    "c": 0.04845,
    "h": 232.5
  },
  "luminance": 0.05462
}

Semantic roles & 50–950 ramp

primary

#254657

secondary

#8A624D

accent

#8158D0

background

#F6F7F8

surface

#EBEDEF

border

#C6C8CA

text

#06090B

muted

#7A7B7C

Preview Lab

Preview with #254657

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

Preview Lab → · Contrast checker → · Palette generator →