#253A84#253A84

#253A84 is a dark, vivid blue. Relative luminance 0.051; OKLCH L 37.7% C 0.127 H 267.9°. Best body text is #FFFFFF at 10.41:1 contrast (WCAG AA passes).

Color values

HEX	#253A84
RGB	rgb(37, 58, 132)
HSL	hsl(227, 56%, 33%)
HSV	hsv(227, 72%, 52%)
CMYK	cmyk(72%, 56.1%, 0%, 48.2%)
CIE-LAB	lab(26.97, 18.60, -44.09)
CIE-LCH	lch(26.97, 47.85, 292.87°)
OKLab	oklab(37.74% -0.0047 -0.1269)
OKLCH	oklch(37.74% 0.127 267.9)
XYZ	xyz(6.4394, 5.0847, 22.4674)
Luminance	0.0508 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#253A84 #846F25

analogous

#256984 #253A84 #3F2584

triadic

#253A84 #84253A #3A8425

tetradic

#253A84 #842569 #846F25 #25843F

square

#253A84 #842569 #846F25 #25843F

split-complementary

#253A84 #843F25 #698425

monochromatic

#0A1024 #182554 #253A84 #324FB4 #546FCF

Accessibility & contrast

On white

10.41

#253A84 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.02

#253A84 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #253A84

10.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##253A84	#FFFFFF	#000000	##FFFFFF
##253A84	1.00	10.41	2.02	10.41
#FFFFFF	10.41	1.00	21.00	1.00
#000000	2.02	21.00	1.00	21.00
##FFFFFF	10.41	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004487

Deuteranopia (green-blind)

#003C83

Tritanopia (blue-blind)

#004C59

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #253a84;
/* rgb */ color: rgb(37, 58, 132);
/* oklch */ color: oklch(37.7% 0.127 267.9);

Tailwind

colors: {
  custom: {
    50: '#6d6fa8',
    500: '#253a84',
    950: '#000000',
  },
}

SCSS

$custom: #253a84;
$custom-light: #6d6fa8;
$custom-dark: #000000;

JSON

{
  "hex": "#253a84",
  "rgb": {
    "r": 37,
    "g": 58,
    "b": 132
  },
  "hsl": {
    "h": 226.737,
    "s": 56.213,
    "l": 33.137
  },
  "oklch": {
    "l": 0.37738,
    "c": 0.12696,
    "h": 267.9
  },
  "luminance": 0.05085
}

Semantic roles & 50–950 ramp

primary

#253A84

secondary

#B39E51

accent

#BE48E0

background

#F6F6FA

surface

#ECECF4

border

#C7C7CE

text

#080710

muted

#7A7A7F

Preview Lab

Preview with #253A84

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

Preview Lab → · Contrast checker → · Palette generator →