#253A80#253A80

#253A80 is a dark, vivid blue. Relative luminance 0.050; OKLCH L 37.4% C 0.121 H 267.6°. Best body text is #FFFFFF at 10.52:1 contrast (WCAG AA passes).

Color values

HEX	#253A80
RGB	rgb(37, 58, 128)
HSL	hsl(226, 55%, 32%)
HSV	hsv(226, 71%, 50%)
CMYK	cmyk(71.1%, 54.7%, 0%, 49.8%)
CIE-LAB	lab(26.67, 17.04, -42.08)
CIE-LCH	lch(26.67, 45.40, 292.04°)
OKLab	oklab(37.41% -0.005 -0.121)
OKLCH	oklch(37.41% 0.121 267.6)
XYZ	xyz(6.1709, 4.9773, 21.0534)
Luminance	0.0498 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#253A80 #806B25

analogous

#256880 #253A80 #3E2580

triadic

#253A80 #80253A #3A8025

tetradic

#253A80 #802568 #806B25 #25803E

square

#253A80 #802568 #806B25 #25803E

split-complementary

#253A80 #803E25 #688025

monochromatic

#0A0F21 #172451 #253A80 #3350AF #526FCD

Accessibility & contrast

On white

10.52

#253A80 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.00

#253A80 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #253A80

10.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##253A80	#FFFFFF	#000000	##FFFFFF
##253A80	1.00	10.52	2.00	10.52
#FFFFFF	10.52	1.00	21.00	1.00
#000000	2.00	21.00	1.00	21.00
##FFFFFF	10.52	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0A4382

Deuteranopia (green-blind)

#003B7F

Tritanopia (blue-blind)

#004B57

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #253a80;
/* rgb */ color: rgb(37, 58, 128);
/* oklch */ color: oklch(37.4% 0.121 267.6);

Tailwind

colors: {
  custom: {
    50: '#6c6fa5',
    500: '#253a80',
    950: '#000000',
  },
}

SCSS

$custom: #253a80;
$custom-light: #6c6fa5;
$custom-dark: #000000;

JSON

{
  "hex": "#253a80",
  "rgb": {
    "r": 37,
    "g": 58,
    "b": 128
  },
  "hsl": {
    "h": 226.154,
    "s": 55.152,
    "l": 32.353
  },
  "oklch": {
    "l": 0.37411,
    "c": 0.12107,
    "h": 267.6
  },
  "luminance": 0.04978
}

Semantic roles & 50–950 ramp

primary

#253A80

secondary

#B19B50

accent

#BC49DE

background

#F6F6FA

surface

#ECECF4

border

#C7C7CE

text

#07070F

muted

#7A7A7F

Preview Lab

Preview with #253A80

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

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