#253CAF#253CAF

#253CAF is a dark, vivid blue. Relative luminance 0.067; OKLCH L 42.0% C 0.184 H 268.1°. Best body text is #FFFFFF at 8.96:1 contrast (WCAG AA passes).

Color values

HEX	#253CAF
RGB	rgb(37, 60, 175)
HSL	hsl(230, 65%, 42%)
HSV	hsv(230, 79%, 69%)
CMYK	cmyk(78.9%, 65.7%, 0%, 31.4%)
CIE-LAB	lab(31.16, 33.67, -63.48)
CIE-LCH	lch(31.16, 71.86, 297.94°)
OKLab	oklab(41.98% -0.006 -0.1837)
OKLCH	oklch(41.98% 0.184 268.1)
XYZ	xyz(10.1140, 6.7190, 41.3130)
Luminance	0.0672 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#253CAF #AF9825

analogous

#2581AF #253CAF #5325AF

triadic

#253CAF #AF253C #3CAF25

tetradic

#253CAF #AF2581 #AF9825 #25AF53

square

#253CAF #AF2581 #AF9825 #25AF53

split-complementary

#253CAF #AF5325 #81AF25

monochromatic

#10194A #1A2B7C #253CAF #3C55D6 #6E81E0

Accessibility & contrast

On white

8.96

#253CAF on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.34

#253CAF on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #253CAF

8.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##253CAF	#FFFFFF	#000000	##FFFFFF
##253CAF	1.00	8.96	2.34	8.96
#FFFFFF	8.96	1.00	21.00	1.00
#000000	2.34	21.00	1.00	21.00
##FFFFFF	8.96	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0050B3

Deuteranopia (green-blind)

#0043AD

Tritanopia (blue-blind)

#005B70

Achromatopsia (no color)

#494949

Design tokens & code

CSS

--color: #253caf;
/* rgb */ color: rgb(37, 60, 175);
/* oklch */ color: oklch(42.0% 0.184 268.1);

Tailwind

colors: {
  custom: {
    50: '#7771c8',
    500: '#253caf',
    950: '#000000',
  },
}

SCSS

$custom: #253caf;
$custom-light: #7771c8;
$custom-dark: #000000;

JSON

{
  "hex": "#253caf",
  "rgb": {
    "r": 37,
    "g": 60,
    "b": 175
  },
  "hsl": {
    "h": 230,
    "s": 65.094,
    "l": 41.569
  },
  "oklch": {
    "l": 0.41981,
    "c": 0.18384,
    "h": 268.1
  },
  "luminance": 0.0672
}

Semantic roles & 50–950 ramp

primary

#253CAF

secondary

#C7B769

accent

#CC40E8

background

#F7F6FC

surface

#EEECF8

border

#C9C7D1

text

#0A0713

muted

#7C7A82

Preview Lab

Preview with #253CAF

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

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