#253E89#253E89

#253E89 is a dark, vivid blue. Relative luminance 0.056; OKLCH L 39.0% C 0.129 H 266.5°. Best body text is #FFFFFF at 9.86:1 contrast (WCAG AA passes).

Color values

HEX	#253E89
RGB	rgb(37, 62, 137)
HSL	hsl(225, 57%, 34%)
HSV	hsv(225, 73%, 54%)
CMYK	cmyk(73%, 54.7%, 0%, 46.3%)
CIE-LAB	lab(28.50, 17.78, -44.73)
CIE-LCH	lch(28.50, 48.14, 291.68°)
OKLab	oklab(39.01% -0.0079 -0.1287)
OKLCH	oklch(39.01% 0.129 266.5)
XYZ	xyz(6.9994, 5.6440, 24.3826)
Luminance	0.0565 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#253E89 #897025

analogous

#257089 #253E89 #3E2589

triadic

#253E89 #89253E #3E8925

tetradic

#253E89 #892570 #897025 #25893E

square

#253E89 #892570 #897025 #25893E

split-complementary

#253E89 #893E25 #708925

monochromatic

#0B1229 #182859 #253E89 #3254B9 #5776D2

Accessibility & contrast

On white

9.86

#253E89 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.13

#253E89 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #253E89

9.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##253E89	#FFFFFF	#000000	##FFFFFF
##253E89	1.00	9.86	2.13	9.86
#FFFFFF	9.86	1.00	21.00	1.00
#000000	2.13	21.00	1.00	21.00
##FFFFFF	9.86	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#07488C

Deuteranopia (green-blind)

#003F87

Tritanopia (blue-blind)

#00505D

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #253e89;
/* rgb */ color: rgb(37, 62, 137);
/* oklch */ color: oklch(39.0% 0.129 266.5);

Tailwind

colors: {
  custom: {
    50: '#6d72ac',
    500: '#253e89',
    950: '#000000',
  },
}

SCSS

$custom: #253e89;
$custom-light: #6d72ac;
$custom-dark: #000000;

JSON

{
  "hex": "#253e89",
  "rgb": {
    "r": 37,
    "g": 62,
    "b": 137
  },
  "hsl": {
    "h": 225,
    "s": 57.471,
    "l": 34.118
  },
  "oklch": {
    "l": 0.39007,
    "c": 0.12894,
    "h": 266.5
  },
  "luminance": 0.05645
}

Semantic roles & 50–950 ramp

primary

#253E89

secondary

#B69D54

accent

#BA47E1

background

#F7F6FA

surface

#EDECF4

border

#C8C7CE

text

#080810

muted

#7B7B7F

Preview Lab

Preview with #253E89

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

Preview Lab → · Contrast checker → · Palette generator →