#253D89#253D89

#253D89 is a dark, vivid blue. Relative luminance 0.055; OKLCH L 38.8% C 0.130 H 266.9°. Best body text is #FFFFFF at 9.96:1 contrast (WCAG AA passes).

Color values

HEX	#253D89
RGB	rgb(37, 61, 137)
HSL	hsl(226, 57%, 34%)
HSV	hsv(226, 73%, 54%)
CMYK	cmyk(73%, 55.5%, 0%, 46.3%)
CIE-LAB	lab(28.21, 18.47, -45.20)
CIE-LCH	lch(28.21, 48.83, 292.23°)
OKLab	oklab(38.79% -0.007 -0.1301)
OKLCH	oklch(38.79% 0.13 266.9)
XYZ	xyz(6.9455, 5.5362, 24.3646)
Luminance	0.0554 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#253D89 #897125

analogous

#256F89 #253D89 #3F2589

triadic

#253D89 #89253D #3D8925

tetradic

#253D89 #89256F #897125 #25893F

square

#253D89 #89256F #897125 #25893F

split-complementary

#253D89 #893F25 #6F8925

monochromatic

#0B1229 #182859 #253D89 #3252B9 #5774D2

Accessibility & contrast

On white

9.96

#253D89 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.11

#253D89 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #253D89

9.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##253D89	#FFFFFF	#000000	##FFFFFF
##253D89	1.00	9.96	2.11	9.96
#FFFFFF	9.96	1.00	21.00	1.00
#000000	2.11	21.00	1.00	21.00
##FFFFFF	9.96	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#02478C

Deuteranopia (green-blind)

#003E87

Tritanopia (blue-blind)

#004F5D

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #253d89;
/* rgb */ color: rgb(37, 61, 137);
/* oklch */ color: oklch(38.8% 0.130 266.9);

Tailwind

colors: {
  custom: {
    50: '#6d72ac',
    500: '#253d89',
    950: '#000000',
  },
}

SCSS

$custom: #253d89;
$custom-light: #6d72ac;
$custom-dark: #000000;

JSON

{
  "hex": "#253d89",
  "rgb": {
    "r": 37,
    "g": 61,
    "b": 137
  },
  "hsl": {
    "h": 225.6,
    "s": 57.471,
    "l": 34.118
  },
  "oklch": {
    "l": 0.38791,
    "c": 0.13027,
    "h": 266.9
  },
  "luminance": 0.05537
}

Semantic roles & 50–950 ramp

primary

#253D89

secondary

#B69E54

accent

#BC47E1

background

#F7F6FA

surface

#EDECF4

border

#C8C7CE

text

#080710

muted

#7B7A7F

Preview Lab

Preview with #253D89

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

Preview Lab → · Contrast checker → · Palette generator →