#253E88#253E88

#253E88 is a dark, vivid blue. Relative luminance 0.056; OKLCH L 38.9% C 0.127 H 266.4°. Best body text is #FFFFFF at 9.89:1 contrast (WCAG AA passes).

Color values

HEX	#253E88
RGB	rgb(37, 62, 136)
HSL	hsl(225, 57%, 34%)
HSV	hsv(225, 73%, 53%)
CMYK	cmyk(72.8%, 54.4%, 0%, 46.7%)
CIE-LAB	lab(28.42, 17.39, -44.24)
CIE-LCH	lch(28.42, 47.53, 291.46°)
OKLab	oklab(38.93% -0.008 -0.1272)
OKLCH	oklch(38.93% 0.127 266.4)
XYZ	xyz(6.9280, 5.6154, 24.0066)
Luminance	0.0562 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#253E88 #886F25

analogous

#257088 #253E88 #3E2588

triadic

#253E88 #88253E #3E8825

tetradic

#253E88 #882570 #886F25 #25883E

square

#253E88 #882570 #886F25 #25883E

split-complementary

#253E88 #883E25 #708825

monochromatic

#0B1228 #182858 #253E88 #3254B8 #5675D1

Accessibility & contrast

On white

9.89

#253E88 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.12

#253E88 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #253E88

9.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##253E88	#FFFFFF	#000000	##FFFFFF
##253E88	1.00	9.89	2.12	9.89
#FFFFFF	9.89	1.00	21.00	1.00
#000000	2.12	21.00	1.00	21.00
##FFFFFF	9.89	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0A488B

Deuteranopia (green-blind)

#003F87

Tritanopia (blue-blind)

#00505C

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #253e88;
/* rgb */ color: rgb(37, 62, 136);
/* oklch */ color: oklch(38.9% 0.127 266.4);

Tailwind

colors: {
  custom: {
    50: '#6d72ab',
    500: '#253e88',
    950: '#000000',
  },
}

SCSS

$custom: #253e88;
$custom-light: #6d72ab;
$custom-dark: #000000;

JSON

{
  "hex": "#253e88",
  "rgb": {
    "r": 37,
    "g": 62,
    "b": 136
  },
  "hsl": {
    "h": 224.848,
    "s": 57.225,
    "l": 33.922
  },
  "oklch": {
    "l": 0.38926,
    "c": 0.12749,
    "h": 266.4
  },
  "luminance": 0.05616
}

Semantic roles & 50–950 ramp

primary

#253E88

secondary

#B69D53

accent

#BA47E0

background

#F7F6FA

surface

#EDECF4

border

#C8C7CE

text

#080810

muted

#7B7B7F

Preview Lab

Preview with #253E88

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

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