#253C88#253C88

#253C88 is a dark, vivid blue. Relative luminance 0.054; OKLCH L 38.5% C 0.130 H 267.3°. Best body text is #FFFFFF at 10.09:1 contrast (WCAG AA passes).

Color values

HEX	#253C88
RGB	rgb(37, 60, 136)
HSL	hsl(226, 57%, 34%)
HSV	hsv(226, 73%, 53%)
CMYK	cmyk(72.8%, 55.9%, 0%, 46.7%)
CIE-LAB	lab(27.85, 18.77, -45.16)
CIE-LCH	lch(27.85, 48.91, 292.57°)
OKLab	oklab(38.5% -0.0062 -0.13)
OKLCH	oklch(38.5% 0.13 267.3)
XYZ	xyz(6.8212, 5.4019, 23.9710)
Luminance	0.0540 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#253C88 #887125

analogous

#256E88 #253C88 #402588

triadic

#253C88 #88253C #3C8825

tetradic

#253C88 #88256E #887125 #258840

square

#253C88 #88256E #887125 #258840

split-complementary

#253C88 #884025 #6E8825

monochromatic

#0B1228 #182758 #253C88 #3251B8 #5673D1

Accessibility & contrast

On white

10.09

#253C88 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.08

#253C88 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #253C88

10.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##253C88	#FFFFFF	#000000	##FFFFFF
##253C88	1.00	10.09	2.08	10.09
#FFFFFF	10.09	1.00	21.00	1.00
#000000	2.08	21.00	1.00	21.00
##FFFFFF	10.09	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00468B

Deuteranopia (green-blind)

#003D86

Tritanopia (blue-blind)

#004E5C

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #253c88;
/* rgb */ color: rgb(37, 60, 136);
/* oklch */ color: oklch(38.5% 0.130 267.3);

Tailwind

colors: {
  custom: {
    50: '#6d71ab',
    500: '#253c88',
    950: '#000000',
  },
}

SCSS

$custom: #253c88;
$custom-light: #6d71ab;
$custom-dark: #000000;

JSON

{
  "hex": "#253c88",
  "rgb": {
    "r": 37,
    "g": 60,
    "b": 136
  },
  "hsl": {
    "h": 226.061,
    "s": 57.225,
    "l": 33.922
  },
  "oklch": {
    "l": 0.38495,
    "c": 0.13014,
    "h": 267.3
  },
  "luminance": 0.05403
}

Semantic roles & 50–950 ramp

primary

#253C88

secondary

#B69F53

accent

#BD47E0

background

#F7F6FA

surface

#EDECF4

border

#C8C7CE

text

#080710

muted

#7B7A7F

Preview Lab

Preview with #253C88

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

Preview Lab → · Contrast checker → · Palette generator →