#253C84#253C84

#253C84 is a dark, vivid blue. Relative luminance 0.053; OKLCH L 38.2% C 0.124 H 267.0°. Best body text is #FFFFFF at 10.20:1 contrast (WCAG AA passes).

Color values

HEX	#253C84
RGB	rgb(37, 60, 132)
HSL	hsl(225, 56%, 33%)
HSV	hsv(225, 72%, 52%)
CMYK	cmyk(72%, 54.5%, 0%, 48.2%)
CIE-LAB	lab(27.55, 17.21, -43.16)
CIE-LCH	lch(27.55, 46.47, 291.74°)
OKLab	oklab(38.17% -0.0065 -0.1241)
OKLCH	oklch(38.17% 0.124 267)
XYZ	xyz(6.5422, 5.2903, 22.5017)
Luminance	0.0529 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#253C84 #846D25

analogous

#256B84 #253C84 #3E2584

triadic

#253C84 #84253C #3C8425

tetradic

#253C84 #84256B #846D25 #25843E

square

#253C84 #84256B #846D25 #25843E

split-complementary

#253C84 #843E25 #6B8425

monochromatic

#0A1124 #182654 #253C84 #3252B4 #5472CF

Accessibility & contrast

On white

10.20

#253C84 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.06

#253C84 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #253C84

10.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##253C84	#FFFFFF	#000000	##FFFFFF
##253C84	1.00	10.20	2.06	10.20
#FFFFFF	10.20	1.00	21.00	1.00
#000000	2.06	21.00	1.00	21.00
##FFFFFF	10.20	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0A4687

Deuteranopia (green-blind)

#003D83

Tritanopia (blue-blind)

#004D5A

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #253c84;
/* rgb */ color: rgb(37, 60, 132);
/* oklch */ color: oklch(38.2% 0.124 267.0);

Tailwind

colors: {
  custom: {
    50: '#6c71a8',
    500: '#253c84',
    950: '#000000',
  },
}

SCSS

$custom: #253c84;
$custom-light: #6c71a8;
$custom-dark: #000000;

JSON

{
  "hex": "#253c84",
  "rgb": {
    "r": 37,
    "g": 60,
    "b": 132
  },
  "hsl": {
    "h": 225.474,
    "s": 56.213,
    "l": 33.137
  },
  "oklch": {
    "l": 0.38169,
    "c": 0.12429,
    "h": 267
  },
  "luminance": 0.05291
}

Semantic roles & 50–950 ramp

primary

#253C84

secondary

#B39C51

accent

#BB48E0

background

#F6F6FA

surface

#ECECF4

border

#C7C7CE

text

#080710

muted

#7A7A7F

Preview Lab

Preview with #253C84

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

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