#253A79#253A79

#253A79 is a dark, moderate blue. Relative luminance 0.048; OKLCH L 36.9% C 0.111 H 267.0°. Best body text is #FFFFFF at 10.71:1 contrast (WCAG AA passes).

Color values

HEX	#253A79
RGB	rgb(37, 58, 121)
HSL	hsl(225, 53%, 31%)
HSV	hsv(225, 69%, 47%)
CMYK	cmyk(69.4%, 52.1%, 0%, 52.5%)
CIE-LAB	lab(26.16, 14.30, -38.51)
CIE-LCH	lch(26.16, 41.08, 290.38°)
OKLab	oklab(36.86% -0.0058 -0.1104)
OKLCH	oklch(36.86% 0.111 267)
XYZ	xyz(5.7260, 4.7994, 18.7101)
Luminance	0.0480 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#253A79 #796425

analogous

#256479 #253A79 #3A2579

triadic

#253A79 #79253A #3A7925

tetradic

#253A79 #792564 #796425 #25793A

square

#253A79 #792564 #796425 #25793A

split-complementary

#253A79 #793A25 #647925

monochromatic

#080D1B #17244A #253A79 #3350A8 #4F6EC9

Accessibility & contrast

On white

10.71

#253A79 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.96

#253A79 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #253A79

10.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##253A79	#FFFFFF	#000000	##FFFFFF
##253A79	1.00	10.71	1.96	10.71
#FFFFFF	10.71	1.00	21.00	1.00
#000000	1.96	21.00	1.00	21.00
##FFFFFF	10.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#16427B

Deuteranopia (green-blind)

#003A78

Tritanopia (blue-blind)

#004953

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #253a79;
/* rgb */ color: rgb(37, 58, 121);
/* oklch */ color: oklch(36.9% 0.111 267.0);

Tailwind

colors: {
  custom: {
    50: '#6a6fa0',
    500: '#253a79',
    950: '#000000',
  },
}

SCSS

$custom: #253a79;
$custom-light: #6a6fa0;
$custom-dark: #000000;

JSON

{
  "hex": "#253a79",
  "rgb": {
    "r": 37,
    "g": 58,
    "b": 121
  },
  "hsl": {
    "h": 225,
    "s": 53.165,
    "l": 30.98
  },
  "oklch": {
    "l": 0.36857,
    "c": 0.1106,
    "h": 267
  },
  "luminance": 0.048
}

Semantic roles & 50–950 ramp

primary

#253A79

secondary

#AB944E

accent

#B84BDD

background

#F6F6F9

surface

#ECECF2

border

#C7C7CC

text

#07070F

muted

#7A7A7E

Preview Lab

Preview with #253A79

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

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