#253E76#253E76

#253E76 is a dark, moderate blue. Relative luminance 0.051; OKLCH L 37.5% C 0.101 H 264.1°. Best body text is #FFFFFF at 10.35:1 contrast (WCAG AA passes).

Color values

HEX	#253E76
RGB	rgb(37, 62, 118)
HSL	hsl(221, 52%, 30%)
HSV	hsv(221, 69%, 46%)
CMYK	cmyk(68.6%, 47.5%, 0%, 53.7%)
CIE-LAB	lab(27.15, 10.35, -35.02)
CIE-LCH	lch(27.15, 36.52, 286.47°)
OKLab	oklab(37.55% -0.0104 -0.1001)
OKLCH	oklch(37.55% 0.101 264.1)
XYZ	xyz(5.7544, 5.1460, 17.8261)
Luminance	0.0515 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#253E76 #765D25

analogous

#256776 #253E76 #342576

triadic

#253E76 #76253E #3E7625

tetradic

#253E76 #762567 #765D25 #257634

square

#253E76 #762567 #765D25 #257634

split-complementary

#253E76 #763425 #677625

monochromatic

#080D19 #162647 #253E76 #3456A5 #4E73C7

Accessibility & contrast

On white

10.35

#253E76 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.03

#253E76 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #253E76

10.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##253E76	#FFFFFF	#000000	##FFFFFF
##253E76	1.00	10.35	2.03	10.35
#FFFFFF	10.35	1.00	21.00	1.00
#000000	2.03	21.00	1.00	21.00
##FFFFFF	10.35	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#234478

Deuteranopia (green-blind)

#143D75

Tritanopia (blue-blind)

#004B54

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #253e76;
/* rgb */ color: rgb(37, 62, 118);
/* oklch */ color: oklch(37.5% 0.101 264.1);

Tailwind

colors: {
  custom: {
    50: '#69729e',
    500: '#253e76',
    950: '#000000',
  },
}

SCSS

$custom: #253e76;
$custom-light: #69729e;
$custom-dark: #000000;

JSON

{
  "hex": "#253e76",
  "rgb": {
    "r": 37,
    "g": 62,
    "b": 118
  },
  "hsl": {
    "h": 221.481,
    "s": 52.258,
    "l": 30.392
  },
  "oklch": {
    "l": 0.37548,
    "c": 0.10066,
    "h": 264.1
  },
  "luminance": 0.05147
}

Semantic roles & 50–950 ramp

primary

#253E76

secondary

#A98D4E

accent

#AF4CDC

background

#F6F6F9

surface

#EBECF2

border

#C6C7CC

text

#07080E

muted

#7A7B7E

Preview Lab

Preview with #253E76

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

Preview Lab → · Contrast checker → · Palette generator →