#253A4E#253A4E

#253A4E is a dark, muted cyan. Relative luminance 0.040; OKLCH L 34.0% C 0.044 H 248.1°. Best body text is #FFFFFF at 11.71:1 contrast (WCAG AA passes).

Color values

HEX	#253A4E
RGB	rgb(37, 58, 78)
HSL	hsl(209, 36%, 23%)
HSV	hsv(209, 53%, 31%)
CMYK	cmyk(52.6%, 25.6%, 0%, 69.4%)
CIE-LAB	lab(23.57, -1.86, -14.77)
CIE-LCH	lch(23.57, 14.89, 262.83°)
OKLab	oklab(34.02% -0.0166 -0.0412)
OKLCH	oklch(34.02% 0.044 248.1)
XYZ	xyz(3.6507, 3.9692, 7.7800)
Luminance	0.0397 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#253A4E #4E3925

analogous

#254E4D #253A4E #25264E

triadic

#253A4E #4E253A #3A4E25

tetradic

#253A4E #4D254E #4E3925 #264E25

square

#253A4E #4D254E #4E3925 #264E25

split-complementary

#253A4E #4E2526 #4E4D25

monochromatic

#0A0F15 #111B24 #253A4E #395978 #4C78A1

Accessibility & contrast

On white

11.71

#253A4E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.79

#253A4E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #253A4E

11.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##253A4E	#FFFFFF	#000000	##FFFFFF
##253A4E	1.00	11.71	1.79	11.71
#FFFFFF	11.71	1.00	21.00	1.00
#000000	1.79	21.00	1.00	21.00
##FFFFFF	11.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#323A4F

Deuteranopia (green-blind)

#2D364E

Tritanopia (blue-blind)

#133F41

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #253a4e;
/* rgb */ color: rgb(37, 58, 78);
/* oklch */ color: oklch(34.0% 0.044 248.1);

Tailwind

colors: {
  custom: {
    50: '#62707f',
    500: '#253a4e',
    950: '#000000',
  },
}

SCSS

$custom: #253a4e;
$custom-light: #62707f;
$custom-dark: #000000;

JSON

{
  "hex": "#253a4e",
  "rgb": {
    "r": 37,
    "g": 58,
    "b": 78
  },
  "hsl": {
    "h": 209.268,
    "s": 35.652,
    "l": 22.549
  },
  "oklch": {
    "l": 0.34017,
    "c": 0.04438,
    "h": 248.1
  },
  "luminance": 0.03969
}

Semantic roles & 50–950 ramp

primary

#253A4E

secondary

#81674E

accent

#935CCC

background

#F5F6F7

surface

#EAECEE

border

#C6C7C9

text

#05070A

muted

#797A7C

Preview Lab

Preview with #253A4E

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

Preview Lab → · Contrast checker → · Palette generator →