#253B87#253B87

#253B87 is a dark, vivid blue. Relative luminance 0.053; OKLCH L 38.2% C 0.130 H 267.6°. Best body text is #FFFFFF at 10.22:1 contrast (WCAG AA passes).

Color values

HEX	#253B87
RGB	rgb(37, 59, 135)
HSL	hsl(227, 57%, 34%)
HSV	hsv(227, 73%, 53%)
CMYK	cmyk(72.6%, 56.3%, 0%, 47.1%)
CIE-LAB	lab(27.49, 19.07, -45.12)
CIE-LCH	lch(27.49, 48.99, 292.91°)
OKLab	oklab(38.2% -0.0054 -0.1299)
OKLCH	oklch(38.2% 0.13 267.6)
XYZ	xyz(6.6986, 5.2698, 23.5811)
Luminance	0.0527 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#253B87 #877125

analogous

#256C87 #253B87 #402587

triadic

#253B87 #87253B #3B8725

tetradic

#253B87 #87256C #877125 #258740

square

#253B87 #87256C #877125 #258740

split-complementary

#253B87 #874025 #6C8725

monochromatic

#0B1127 #182657 #253B87 #3250B7 #5671D1

Accessibility & contrast

On white

10.22

#253B87 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.05

#253B87 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #253B87

10.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##253B87	#FFFFFF	#000000	##FFFFFF
##253B87	1.00	10.22	2.05	10.22
#FFFFFF	10.22	1.00	21.00	1.00
#000000	2.05	21.00	1.00	21.00
##FFFFFF	10.22	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00468A

Deuteranopia (green-blind)

#003D85

Tritanopia (blue-blind)

#004D5B

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #253b87;
/* rgb */ color: rgb(37, 59, 135);
/* oklch */ color: oklch(38.2% 0.130 267.6);

Tailwind

colors: {
  custom: {
    50: '#6d70ab',
    500: '#253b87',
    950: '#000000',
  },
}

SCSS

$custom: #253b87;
$custom-light: #6d70ab;
$custom-dark: #000000;

JSON

{
  "hex": "#253b87",
  "rgb": {
    "r": 37,
    "g": 59,
    "b": 135
  },
  "hsl": {
    "h": 226.531,
    "s": 56.977,
    "l": 33.725
  },
  "oklch": {
    "l": 0.38199,
    "c": 0.13,
    "h": 267.6
  },
  "luminance": 0.05271
}

Semantic roles & 50–950 ramp

primary

#253B87

secondary

#B59F53

accent

#BE48E0

background

#F7F6FA

surface

#EDECF4

border

#C8C7CE

text

#080710

muted

#7B7A7F

Preview Lab

Preview with #253B87

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

Preview Lab → · Contrast checker → · Palette generator →