#253C53#253C53

#253C53 is a dark, muted cyan. Relative luminance 0.043; OKLCH L 34.8% C 0.050 H 249.4°. Best body text is #FFFFFF at 11.35:1 contrast (WCAG AA passes).

Color values

HEX	#253C53
RGB	rgb(37, 60, 83)
HSL	hsl(210, 38%, 24%)
HSV	hsv(210, 55%, 33%)
CMYK	cmyk(55.4%, 27.7%, 0%, 67.5%)
CIE-LAB	lab(24.48, -1.44, -16.66)
CIE-LCH	lch(24.48, 16.72, 265.06°)
OKLab	oklab(34.81% -0.0175 -0.0466)
OKLCH	oklch(34.81% 0.05 249.4)
XYZ	xyz(3.9396, 4.2493, 8.7945)
Luminance	0.0425 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#253C53 #533C25

analogous

#255353 #253C53 #252553

triadic

#253C53 #53253C #3C5325

tetradic

#253C53 #532553 #533C25 #255325

square

#253C53 #532553 #533C25 #255325

split-complementary

#253C53 #532525 #535325

monochromatic

#090F15 #121D29 #253C53 #385B7D #4B79A8

Accessibility & contrast

On white

11.35

#253C53 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.85

#253C53 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #253C53

11.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##253C53	#FFFFFF	#000000	##FFFFFF
##253C53	1.00	11.35	1.85	11.35
#FFFFFF	11.35	1.00	21.00	1.00
#000000	1.85	21.00	1.00	21.00
##FFFFFF	11.35	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#333D54

Deuteranopia (green-blind)

#2D3853

Tritanopia (blue-blind)

#0E4144

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #253c53;
/* rgb */ color: rgb(37, 60, 83);
/* oklch */ color: oklch(34.8% 0.050 249.4);

Tailwind

colors: {
  custom: {
    50: '#637183',
    500: '#253c53',
    950: '#000000',
  },
}

SCSS

$custom: #253c53;
$custom-light: #637183;
$custom-dark: #000000;

JSON

{
  "hex": "#253c53",
  "rgb": {
    "r": 37,
    "g": 60,
    "b": 83
  },
  "hsl": {
    "h": 210,
    "s": 38.333,
    "l": 23.529
  },
  "oklch": {
    "l": 0.34813,
    "c": 0.04977,
    "h": 249.4
  },
  "luminance": 0.0425
}

Semantic roles & 50–950 ramp

primary

#253C53

secondary

#866A4D

accent

#945ACE

background

#F6F6F8

surface

#EBECEF

border

#C6C7CA

text

#05070A

muted

#7A7A7C

Preview Lab

Preview with #253C53

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

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