#253A85#253A85

#253A85 is a dark, vivid blue. Relative luminance 0.051; OKLCH L 37.8% C 0.128 H 267.9°. Best body text is #FFFFFF at 10.38:1 contrast (WCAG AA passes).

Color values

HEX	#253A85
RGB	rgb(37, 58, 133)
HSL	hsl(227, 56%, 33%)
HSV	hsv(227, 72%, 52%)
CMYK	cmyk(72.2%, 56.4%, 0%, 47.8%)
CIE-LAB	lab(27.05, 18.99, -44.59)
CIE-LCH	lch(27.05, 48.46, 293.06°)
OKLab	oklab(37.82% -0.0047 -0.1283)
OKLCH	oklch(37.82% 0.128 267.9)
XYZ	xyz(6.5082, 5.1122, 22.8295)
Luminance	0.0511 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#253A85 #857025

analogous

#256A85 #253A85 #402585

triadic

#253A85 #85253A #3A8525

tetradic

#253A85 #85256A #857025 #258540

square

#253A85 #85256A #857025 #258540

split-complementary

#253A85 #854025 #6A8525

monochromatic

#0A1025 #182555 #253A85 #324FB5 #5570D0

Accessibility & contrast

On white

10.38

#253A85 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.02

#253A85 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #253A85

10.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##253A85	#FFFFFF	#000000	##FFFFFF
##253A85	1.00	10.38	2.02	10.38
#FFFFFF	10.38	1.00	21.00	1.00
#000000	2.02	21.00	1.00	21.00
##FFFFFF	10.38	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004588

Deuteranopia (green-blind)

#003C84

Tritanopia (blue-blind)

#004C59

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #253a85;
/* rgb */ color: rgb(37, 58, 133);
/* oklch */ color: oklch(37.8% 0.128 267.9);

Tailwind

colors: {
  custom: {
    50: '#6d6fa9',
    500: '#253a85',
    950: '#000000',
  },
}

SCSS

$custom: #253a85;
$custom-light: #6d6fa9;
$custom-dark: #000000;

JSON

{
  "hex": "#253a85",
  "rgb": {
    "r": 37,
    "g": 58,
    "b": 133
  },
  "hsl": {
    "h": 226.875,
    "s": 56.471,
    "l": 33.333
  },
  "oklch": {
    "l": 0.3782,
    "c": 0.12842,
    "h": 267.9
  },
  "luminance": 0.05113
}

Semantic roles & 50–950 ramp

primary

#253A85

secondary

#B49E52

accent

#BF48E0

background

#F7F6FA

surface

#EDECF4

border

#C8C7CE

text

#080710

muted

#7B7A7F

Preview Lab

Preview with #253A85

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

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