#253F89#253F89

#253F89 is a dark, vivid blue. Relative luminance 0.058; OKLCH L 39.2% C 0.128 H 266.1°. Best body text is #FFFFFF at 9.76:1 contrast (WCAG AA passes).

Color values

HEX	#253F89
RGB	rgb(37, 63, 137)
HSL	hsl(224, 57%, 34%)
HSV	hsv(224, 73%, 54%)
CMYK	cmyk(73%, 54%, 0%, 46.3%)
CIE-LAB	lab(28.78, 17.10, -44.27)
CIE-LCH	lch(28.78, 47.46, 291.11°)
OKLab	oklab(39.22% -0.0088 -0.1273)
OKLCH	oklch(39.22% 0.128 266.1)
XYZ	xyz(7.0542, 5.7537, 24.4009)
Luminance	0.0575 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#253F89 #896F25

analogous

#257189 #253F89 #3D2589

triadic

#253F89 #89253F #3F8925

tetradic

#253F89 #892571 #896F25 #25893D

square

#253F89 #892571 #896F25 #25893D

split-complementary

#253F89 #893D25 #718925

monochromatic

#0B1329 #182959 #253F89 #3255B9 #5777D2

Accessibility & contrast

On white

9.76

#253F89 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.15

#253F89 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #253F89

9.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##253F89	#FFFFFF	#000000	##FFFFFF
##253F89	1.00	9.76	2.15	9.76
#FFFFFF	9.76	1.00	21.00	1.00
#000000	2.15	21.00	1.00	21.00
##FFFFFF	9.76	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0D498C

Deuteranopia (green-blind)

#003F88

Tritanopia (blue-blind)

#00515D

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #253f89;
/* rgb */ color: rgb(37, 63, 137);
/* oklch */ color: oklch(39.2% 0.128 266.1);

Tailwind

colors: {
  custom: {
    50: '#6d73ac',
    500: '#253f89',
    950: '#000000',
  },
}

SCSS

$custom: #253f89;
$custom-light: #6d73ac;
$custom-dark: #000000;

JSON

{
  "hex": "#253f89",
  "rgb": {
    "r": 37,
    "g": 63,
    "b": 137
  },
  "hsl": {
    "h": 224.4,
    "s": 57.471,
    "l": 34.118
  },
  "oklch": {
    "l": 0.39223,
    "c": 0.12762,
    "h": 266.1
  },
  "luminance": 0.05754
}

Semantic roles & 50–950 ramp

primary

#253F89

secondary

#B69C54

accent

#B947E1

background

#F7F6FA

surface

#EDECF4

border

#C8C7CE

text

#080810

muted

#7B7B7F

Preview Lab

Preview with #253F89

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

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