#253E79#253E79

#253E79 is a dark, moderate blue. Relative luminance 0.052; OKLCH L 37.8% C 0.105 H 264.6°. Best body text is #FFFFFF at 10.27:1 contrast (WCAG AA passes).

Color values

HEX	#253E79
RGB	rgb(37, 62, 121)
HSL	hsl(222, 53%, 31%)
HSV	hsv(222, 69%, 47%)
CMYK	cmyk(69.4%, 48.8%, 0%, 52.5%)
CIE-LAB	lab(27.35, 11.52, -36.59)
CIE-LCH	lch(27.35, 38.36, 287.48°)
OKLab	oklab(37.77% -0.0099 -0.1047)
OKLCH	oklch(37.77% 0.105 264.6)
XYZ	xyz(5.9356, 5.2185, 18.7799)
Luminance	0.0522 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#253E79 #796025

analogous

#256879 #253E79 #362579

triadic

#253E79 #79253E #3E7925

tetradic

#253E79 #792568 #796025 #257936

square

#253E79 #792568 #796025 #257936

split-complementary

#253E79 #793625 #687925

monochromatic

#080E1B #17264A #253E79 #3356A8 #4F73C9

Accessibility & contrast

On white

10.27

#253E79 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.04

#253E79 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #253E79

10.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##253E79	#FFFFFF	#000000	##FFFFFF
##253E79	1.00	10.27	2.04	10.27
#FFFFFF	10.27	1.00	21.00	1.00
#000000	2.04	21.00	1.00	21.00
##FFFFFF	10.27	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#20457B

Deuteranopia (green-blind)

#0F3D78

Tritanopia (blue-blind)

#004C55

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #253e79;
/* rgb */ color: rgb(37, 62, 121);
/* oklch */ color: oklch(37.8% 0.105 264.6);

Tailwind

colors: {
  custom: {
    50: '#6a72a0',
    500: '#253e79',
    950: '#000000',
  },
}

SCSS

$custom: #253e79;
$custom-light: #6a72a0;
$custom-dark: #000000;

JSON

{
  "hex": "#253e79",
  "rgb": {
    "r": 37,
    "g": 62,
    "b": 121
  },
  "hsl": {
    "h": 222.143,
    "s": 53.165,
    "l": 30.98
  },
  "oklch": {
    "l": 0.37767,
    "c": 0.1052,
    "h": 264.6
  },
  "luminance": 0.05219
}

Semantic roles & 50–950 ramp

primary

#253E79

secondary

#AB904E

accent

#B14BDD

background

#F6F6F9

surface

#ECECF2

border

#C7C7CC

text

#07080F

muted

#7A7B7E

Preview Lab

Preview with #253E79

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

Preview Lab → · Contrast checker → · Palette generator →