#253E87#253E87

#253E87 is a dark, vivid blue. Relative luminance 0.056; OKLCH L 38.8% C 0.126 H 266.3°. Best body text is #FFFFFF at 9.92:1 contrast (WCAG AA passes).

Color values

HEX	#253E87
RGB	rgb(37, 62, 135)
HSL	hsl(225, 57%, 34%)
HSV	hsv(225, 73%, 53%)
CMYK	cmyk(72.6%, 54.1%, 0%, 47.1%)
CIE-LAB	lab(28.35, 17.00, -43.74)
CIE-LCH	lch(28.35, 46.93, 291.24°)
OKLab	oklab(38.85% -0.0081 -0.1258)
OKLCH	oklch(38.85% 0.126 266.3)
XYZ	xyz(6.8572, 5.5871, 23.6340)
Luminance	0.0559 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#253E87 #876E25

analogous

#256F87 #253E87 #3D2587

triadic

#253E87 #87253E #3E8725

tetradic

#253E87 #87256F #876E25 #25873D

square

#253E87 #87256F #876E25 #25873D

split-complementary

#253E87 #873D25 #6F8725

monochromatic

#0B1227 #182857 #253E87 #3254B7 #5675D1

Accessibility & contrast

On white

9.92

#253E87 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.12

#253E87 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #253E87

9.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##253E87	#FFFFFF	#000000	##FFFFFF
##253E87	1.00	9.92	2.12	9.92
#FFFFFF	9.92	1.00	21.00	1.00
#000000	2.12	21.00	1.00	21.00
##FFFFFF	9.92	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0D488A

Deuteranopia (green-blind)

#003F86

Tritanopia (blue-blind)

#004F5C

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #253e87;
/* rgb */ color: rgb(37, 62, 135);
/* oklch */ color: oklch(38.8% 0.126 266.3);

Tailwind

colors: {
  custom: {
    50: '#6d72aa',
    500: '#253e87',
    950: '#000000',
  },
}

SCSS

$custom: #253e87;
$custom-light: #6d72aa;
$custom-dark: #000000;

JSON

{
  "hex": "#253e87",
  "rgb": {
    "r": 37,
    "g": 62,
    "b": 135
  },
  "hsl": {
    "h": 224.694,
    "s": 56.977,
    "l": 33.725
  },
  "oklch": {
    "l": 0.38846,
    "c": 0.12603,
    "h": 266.3
  },
  "luminance": 0.05588
}

Semantic roles & 50–950 ramp

primary

#253E87

secondary

#B59C53

accent

#B948E0

background

#F7F6FA

surface

#EDECF4

border

#C8C7CE

text

#080810

muted

#7B7B7F

Preview Lab

Preview with #253E87

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

Preview Lab → · Contrast checker → · Palette generator →