#253A83#253A83

#253A83 is a dark, vivid blue. Relative luminance 0.051; OKLCH L 37.7% C 0.125 H 267.8°. Best body text is #FFFFFF at 10.44:1 contrast (WCAG AA passes).

Color values

HEX	#253A83
RGB	rgb(37, 58, 131)
HSL	hsl(227, 56%, 33%)
HSV	hsv(227, 72%, 51%)
CMYK	cmyk(71.8%, 55.7%, 0%, 48.6%)
CIE-LAB	lab(26.90, 18.21, -43.59)
CIE-LCH	lch(26.90, 47.24, 292.67°)
OKLab	oklab(37.66% -0.0048 -0.1254)
OKLCH	oklch(37.66% 0.125 267.8)
XYZ	xyz(6.3713, 5.0575, 22.1087)
Luminance	0.0506 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#253A83 #836E25

analogous

#256983 #253A83 #3F2583

triadic

#253A83 #83253A #3A8325

tetradic

#253A83 #832569 #836E25 #25833F

square

#253A83 #832569 #836E25 #25833F

split-complementary

#253A83 #833F25 #698325

monochromatic

#0A1024 #182553 #253A83 #324FB3 #546FCF

Accessibility & contrast

On white

10.44

#253A83 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.01

#253A83 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #253A83

10.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##253A83	#FFFFFF	#000000	##FFFFFF
##253A83	1.00	10.44	2.01	10.44
#FFFFFF	10.44	1.00	21.00	1.00
#000000	2.01	21.00	1.00	21.00
##FFFFFF	10.44	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#034486

Deuteranopia (green-blind)

#003B82

Tritanopia (blue-blind)

#004C58

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #253a83;
/* rgb */ color: rgb(37, 58, 131);
/* oklch */ color: oklch(37.7% 0.125 267.8);

Tailwind

colors: {
  custom: {
    50: '#6c6fa8',
    500: '#253a83',
    950: '#000000',
  },
}

SCSS

$custom: #253a83;
$custom-light: #6c6fa8;
$custom-dark: #000000;

JSON

{
  "hex": "#253a83",
  "rgb": {
    "r": 37,
    "g": 58,
    "b": 131
  },
  "hsl": {
    "h": 226.596,
    "s": 55.952,
    "l": 32.941
  },
  "oklch": {
    "l": 0.37655,
    "c": 0.12549,
    "h": 267.8
  },
  "luminance": 0.05058
}

Semantic roles & 50–950 ramp

primary

#253A83

secondary

#B39D51

accent

#BE49DF

background

#F6F6FA

surface

#ECECF4

border

#C7C7CE

text

#080710

muted

#7A7A7F

Preview Lab

Preview with #253A83

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

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