#253F85#253F85

#253F85 is a dark, vivid blue. Relative luminance 0.056; OKLCH L 38.9% C 0.122 H 265.7°. Best body text is #FFFFFF at 9.87:1 contrast (WCAG AA passes).

Color values

HEX	#253F85
RGB	rgb(37, 63, 133)
HSL	hsl(224, 56%, 33%)
HSV	hsv(224, 72%, 52%)
CMYK	cmyk(72.2%, 52.6%, 0%, 47.8%)
CIE-LAB	lab(28.49, 15.53, -42.27)
CIE-LCH	lch(28.49, 45.03, 290.17°)
OKLab	oklab(38.91% -0.0092 -0.1214)
OKLCH	oklch(38.91% 0.122 265.7)
XYZ	xyz(6.7726, 5.6411, 22.9177)
Luminance	0.0564 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#253F85 #856B25

analogous

#256F85 #253F85 #3B2585

triadic

#253F85 #85253F #3F8525

tetradic

#253F85 #85256F #856B25 #25853B

square

#253F85 #85256F #856B25 #25853B

split-complementary

#253F85 #853B25 #6F8525

monochromatic

#0A1225 #182855 #253F85 #3256B5 #5576D0

Accessibility & contrast

On white

9.87

#253F85 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.13

#253F85 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #253F85

9.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##253F85	#FFFFFF	#000000	##FFFFFF
##253F85	1.00	9.87	2.13	9.87
#FFFFFF	9.87	1.00	21.00	1.00
#000000	2.13	21.00	1.00	21.00
##FFFFFF	9.87	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#144888

Deuteranopia (green-blind)

#003F84

Tritanopia (blue-blind)

#00505B

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #253f85;
/* rgb */ color: rgb(37, 63, 133);
/* oklch */ color: oklch(38.9% 0.122 265.7);

Tailwind

colors: {
  custom: {
    50: '#6c73a9',
    500: '#253f85',
    950: '#000000',
  },
}

SCSS

$custom: #253f85;
$custom-light: #6c73a9;
$custom-dark: #000000;

JSON

{
  "hex": "#253f85",
  "rgb": {
    "r": 37,
    "g": 63,
    "b": 133
  },
  "hsl": {
    "h": 223.75,
    "s": 56.471,
    "l": 33.333
  },
  "oklch": {
    "l": 0.38907,
    "c": 0.12177,
    "h": 265.7
  },
  "luminance": 0.05642
}

Semantic roles & 50–950 ramp

primary

#253F85

secondary

#B49952

accent

#B748E0

background

#F6F6FA

surface

#ECECF4

border

#C7C7CE

text

#080810

muted

#7A7B7F

Preview Lab

Preview with #253F85

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

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