#253A89#253A89

#253A89 is a dark, vivid blue. Relative luminance 0.052; OKLCH L 38.2% C 0.134 H 268.1°. Best body text is #FFFFFF at 10.27:1 contrast (WCAG AA passes).

Color values

HEX	#253A89
RGB	rgb(37, 58, 137)
HSL	hsl(227, 57%, 34%)
HSV	hsv(227, 73%, 54%)
CMYK	cmyk(73%, 57.7%, 0%, 46.3%)
CIE-LAB	lab(27.37, 20.54, -46.57)
CIE-LCH	lch(27.37, 50.90, 293.80°)
OKLab	oklab(38.16% -0.0044 -0.1341)
OKLCH	oklch(38.16% 0.134 268.1)
XYZ	xyz(6.7898, 5.2249, 24.3127)
Luminance	0.0523 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#253A89 #897425

analogous

#256C89 #253A89 #422589

triadic

#253A89 #89253A #3A8925

tetradic

#253A89 #89256C #897425 #258942

square

#253A89 #89256C #897425 #258942

split-complementary

#253A89 #894225 #6C8925

monochromatic

#0B1129 #182659 #253A89 #324EB9 #5771D2

Accessibility & contrast

On white

10.27

#253A89 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.05

#253A89 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #253A89

10.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##253A89	#FFFFFF	#000000	##FFFFFF
##253A89	1.00	10.27	2.05	10.27
#FFFFFF	10.27	1.00	21.00	1.00
#000000	2.05	21.00	1.00	21.00
##FFFFFF	10.27	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00458C

Deuteranopia (green-blind)

#003C87

Tritanopia (blue-blind)

#004D5B

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #253a89;
/* rgb */ color: rgb(37, 58, 137);
/* oklch */ color: oklch(38.2% 0.134 268.1);

Tailwind

colors: {
  custom: {
    50: '#6e6fac',
    500: '#253a89',
    950: '#000000',
  },
}

SCSS

$custom: #253a89;
$custom-light: #6e6fac;
$custom-dark: #000000;

JSON

{
  "hex": "#253a89",
  "rgb": {
    "r": 37,
    "g": 58,
    "b": 137
  },
  "hsl": {
    "h": 227.4,
    "s": 57.471,
    "l": 34.118
  },
  "oklch": {
    "l": 0.38156,
    "c": 0.13422,
    "h": 268.1
  },
  "luminance": 0.05226
}

Semantic roles & 50–950 ramp

primary

#253A89

secondary

#B6A154

accent

#C047E1

background

#F7F6FA

surface

#EDECF4

border

#C8C7CE

text

#080710

muted

#7B7A7F

Preview Lab

Preview with #253A89

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

Preview Lab → · Contrast checker → · Palette generator →