#253A4D#253A4D

#253A4D is a dark, muted cyan. Relative luminance 0.040; OKLCH L 34.0% C 0.043 H 246.7°. Best body text is #FFFFFF at 11.73:1 contrast (WCAG AA passes).

Color values

HEX	#253A4D
RGB	rgb(37, 58, 77)
HSL	hsl(209, 35%, 22%)
HSV	hsv(209, 52%, 30%)
CMYK	cmyk(51.9%, 24.7%, 0%, 69.8%)
CIE-LAB	lab(23.52, -2.20, -14.18)
CIE-LCH	lch(23.52, 14.35, 261.17°)
OKLab	oklab(33.96% -0.017 -0.0395)
OKLCH	oklch(33.96% 0.043 246.7)
XYZ	xyz(3.6151, 3.9550, 7.5926)
Luminance	0.0396 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#253A4D #4D3825

analogous

#254D4C #253A4D #25264D

triadic

#253A4D #4D253A #3A4D25

tetradic

#253A4D #4C254D #4D3825 #264D25

square

#253A4D #4C254D #4D3825 #264D25

split-complementary

#253A4D #4D2526 #4D4C25

monochromatic

#0A1015 #111B24 #253A4D #395976 #4D78A0

Accessibility & contrast

On white

11.73

#253A4D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.79

#253A4D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #253A4D

11.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##253A4D	#FFFFFF	#000000	##FFFFFF
##253A4D	1.00	11.73	1.79	11.73
#FFFFFF	11.73	1.00	21.00	1.00
#000000	1.79	21.00	1.00	21.00
##FFFFFF	11.73	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#323A4E

Deuteranopia (green-blind)

#2D364D

Tritanopia (blue-blind)

#133E40

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #253a4d;
/* rgb */ color: rgb(37, 58, 77);
/* oklch */ color: oklch(34.0% 0.043 246.7);

Tailwind

colors: {
  custom: {
    50: '#62707e',
    500: '#253a4d',
    950: '#000000',
  },
}

SCSS

$custom: #253a4d;
$custom-light: #62707e;
$custom-dark: #000000;

JSON

{
  "hex": "#253a4d",
  "rgb": {
    "r": 37,
    "g": 58,
    "b": 77
  },
  "hsl": {
    "h": 208.5,
    "s": 35.088,
    "l": 22.353
  },
  "oklch": {
    "l": 0.33964,
    "c": 0.04297,
    "h": 246.7
  },
  "luminance": 0.03955
}

Semantic roles & 50–950 ramp

primary

#253A4D

secondary

#80664E

accent

#915DCB

background

#F5F6F7

surface

#EAECEE

border

#C6C7C9

text

#05070A

muted

#797A7C

Preview Lab

Preview with #253A4D

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

Preview Lab → · Contrast checker → · Palette generator →