#253C87#253C87

#253C87 is a dark, vivid blue. Relative luminance 0.054; OKLCH L 38.4% C 0.129 H 267.2°. Best body text is #FFFFFF at 10.12:1 contrast (WCAG AA passes).

Color values

HEX	#253C87
RGB	rgb(37, 60, 135)
HSL	hsl(226, 57%, 34%)
HSV	hsv(226, 73%, 53%)
CMYK	cmyk(72.6%, 55.6%, 0%, 47.1%)
CIE-LAB	lab(27.77, 18.38, -44.66)
CIE-LCH	lch(27.77, 48.30, 292.37°)
OKLab	oklab(38.41% -0.0063 -0.1285)
OKLCH	oklch(38.41% 0.129 267.2)
XYZ	xyz(6.7505, 5.3736, 23.5984)
Luminance	0.0537 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#253C87 #877025

analogous

#256D87 #253C87 #3F2587

triadic

#253C87 #87253C #3C8725

tetradic

#253C87 #87256D #877025 #25873F

square

#253C87 #87256D #877025 #25873F

split-complementary

#253C87 #873F25 #6D8725

monochromatic

#0B1127 #182757 #253C87 #3251B7 #5673D1

Accessibility & contrast

On white

10.12

#253C87 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.07

#253C87 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #253C87

10.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##253C87	#FFFFFF	#000000	##FFFFFF
##253C87	1.00	10.12	2.07	10.12
#FFFFFF	10.12	1.00	21.00	1.00
#000000	2.07	21.00	1.00	21.00
##FFFFFF	10.12	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#02468A

Deuteranopia (green-blind)

#003D85

Tritanopia (blue-blind)

#004E5B

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #253c87;
/* rgb */ color: rgb(37, 60, 135);
/* oklch */ color: oklch(38.4% 0.129 267.2);

Tailwind

colors: {
  custom: {
    50: '#6d71ab',
    500: '#253c87',
    950: '#000000',
  },
}

SCSS

$custom: #253c87;
$custom-light: #6d71ab;
$custom-dark: #000000;

JSON

{
  "hex": "#253c87",
  "rgb": {
    "r": 37,
    "g": 60,
    "b": 135
  },
  "hsl": {
    "h": 225.918,
    "s": 56.977,
    "l": 33.725
  },
  "oklch": {
    "l": 0.38413,
    "c": 0.12868,
    "h": 267.2
  },
  "luminance": 0.05374
}

Semantic roles & 50–950 ramp

primary

#253C87

secondary

#B59E53

accent

#BC48E0

background

#F7F6FA

surface

#EDECF4

border

#C8C7CE

text

#080710

muted

#7B7A7F

Preview Lab

Preview with #253C87

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

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