#253D87#253D87

#253D87 is a dark, vivid blue. Relative luminance 0.055; OKLCH L 38.6% C 0.127 H 266.8°. Best body text is #FFFFFF at 10.02:1 contrast (WCAG AA passes).

Color values

HEX	#253D87
RGB	rgb(37, 61, 135)
HSL	hsl(225, 57%, 34%)
HSV	hsv(225, 73%, 53%)
CMYK	cmyk(72.6%, 54.8%, 0%, 47.1%)
CIE-LAB	lab(28.06, 17.69, -44.20)
CIE-LCH	lch(28.06, 47.61, 291.81°)
OKLab	oklab(38.63% -0.0072 -0.1272)
OKLCH	oklch(38.63% 0.127 266.8)
XYZ	xyz(6.8033, 5.4794, 23.6161)
Luminance	0.0548 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#253D87 #876F25

analogous

#256E87 #253D87 #3E2587

triadic

#253D87 #87253D #3D8725

tetradic

#253D87 #87256E #876F25 #25873E

square

#253D87 #87256E #876F25 #25873E

split-complementary

#253D87 #873E25 #6E8725

monochromatic

#0B1227 #182757 #253D87 #3253B7 #5674D1

Accessibility & contrast

On white

10.02

#253D87 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.10

#253D87 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #253D87

10.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##253D87	#FFFFFF	#000000	##FFFFFF
##253D87	1.00	10.02	2.10	10.02
#FFFFFF	10.02	1.00	21.00	1.00
#000000	2.10	21.00	1.00	21.00
##FFFFFF	10.02	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#08478A

Deuteranopia (green-blind)

#003E86

Tritanopia (blue-blind)

#004F5C

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #253d87;
/* rgb */ color: rgb(37, 61, 135);
/* oklch */ color: oklch(38.6% 0.127 266.8);

Tailwind

colors: {
  custom: {
    50: '#6d72ab',
    500: '#253d87',
    950: '#000000',
  },
}

SCSS

$custom: #253d87;
$custom-light: #6d72ab;
$custom-dark: #000000;

JSON

{
  "hex": "#253d87",
  "rgb": {
    "r": 37,
    "g": 61,
    "b": 135
  },
  "hsl": {
    "h": 225.306,
    "s": 56.977,
    "l": 33.725
  },
  "oklch": {
    "l": 0.38628,
    "c": 0.12735,
    "h": 266.8
  },
  "luminance": 0.0548
}

Semantic roles & 50–950 ramp

primary

#253D87

secondary

#B59D53

accent

#BB48E0

background

#F7F6FA

surface

#EDECF4

border

#C8C7CE

text

#080710

muted

#7B7A7F

Preview Lab

Preview with #253D87

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

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