#253D56#253D56

#253D56 is a dark, muted cyan. Relative luminance 0.044; OKLCH L 35.2% C 0.053 H 250.5°. Best body text is #FFFFFF at 11.17:1 contrast (WCAG AA passes).

Color values

HEX	#253D56
RGB	rgb(37, 61, 86)
HSL	hsl(211, 40%, 24%)
HSV	hsv(211, 57%, 34%)
CMYK	cmyk(57%, 29.1%, 0%, 66.3%)
CIE-LAB	lab(24.96, -1.04, -17.88)
CIE-LCH	lch(24.96, 17.91, 266.67°)
OKLab	oklab(35.24% -0.0178 -0.0501)
OKLCH	oklch(35.24% 0.053 250.5)
XYZ	xyz(4.1108, 4.4024, 9.4354)
Luminance	0.0440 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#253D56 #563E25

analogous

#255656 #253D56 #262556

triadic

#253D56 #56253D #3D5625

tetradic

#253D56 #562556 #563E25 #255626

square

#253D56 #562556 #563E25 #255626

split-complementary

#253D56 #562625 #565625

monochromatic

#090F15 #131F2B #253D56 #375B81 #4A7AAC

Accessibility & contrast

On white

11.17

#253D56 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.88

#253D56 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #253D56

11.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##253D56	#FFFFFF	#000000	##FFFFFF
##253D56	1.00	11.17	1.88	11.17
#FFFFFF	11.17	1.00	21.00	1.00
#000000	1.88	21.00	1.00	21.00
##FFFFFF	11.17	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#333E57

Deuteranopia (green-blind)

#2D3956

Tritanopia (blue-blind)

#0A4346

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #253d56;
/* rgb */ color: rgb(37, 61, 86);
/* oklch */ color: oklch(35.2% 0.053 250.5);

Tailwind

colors: {
  custom: {
    50: '#637285',
    500: '#253d56',
    950: '#000000',
  },
}

SCSS

$custom: #253d56;
$custom-light: #637285;
$custom-dark: #000000;

JSON

{
  "hex": "#253d56",
  "rgb": {
    "r": 37,
    "g": 61,
    "b": 86
  },
  "hsl": {
    "h": 210.612,
    "s": 39.837,
    "l": 24.118
  },
  "oklch": {
    "l": 0.3524,
    "c": 0.05316,
    "h": 250.5
  },
  "luminance": 0.04403
}

Semantic roles & 50–950 ramp

primary

#253D56

secondary

#896C4D

accent

#9558D0

background

#F6F6F8

surface

#EBECEF

border

#C6C7CA

text

#05070B

muted

#7A7A7C

Preview Lab

Preview with #253D56

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

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