#253E75#253E75

#253E75 is a dark, moderate blue. Relative luminance 0.051; OKLCH L 37.5% C 0.099 H 263.9°. Best body text is #FFFFFF at 10.37:1 contrast (WCAG AA passes).

Color values

HEX	#253E75
RGB	rgb(37, 62, 117)
HSL	hsl(221, 52%, 30%)
HSV	hsv(221, 68%, 46%)
CMYK	cmyk(68.4%, 47%, 0%, 54.1%)
CIE-LAB	lab(27.08, 9.96, -34.49)
CIE-LCH	lch(27.08, 35.90, 286.11°)
OKLab	oklab(37.48% -0.0106 -0.0986)
OKLCH	oklch(37.48% 0.099 263.9)
XYZ	xyz(5.6953, 5.1224, 17.5147)
Luminance	0.0512 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#253E75 #755C25

analogous

#256675 #253E75 #342575

triadic

#253E75 #75253E #3E7525

tetradic

#253E75 #752566 #755C25 #257534

square

#253E75 #752566 #755C25 #257534

split-complementary

#253E75 #753425 #667525

monochromatic

#080D18 #162547 #253E75 #3457A3 #4E73C7

Accessibility & contrast

On white

10.37

#253E75 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.02

#253E75 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #253E75

10.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##253E75	#FFFFFF	#000000	##FFFFFF
##253E75	1.00	10.37	2.02	10.37
#FFFFFF	10.37	1.00	21.00	1.00
#000000	2.02	21.00	1.00	21.00
##FFFFFF	10.37	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#234477

Deuteranopia (green-blind)

#153D74

Tritanopia (blue-blind)

#004B53

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #253e75;
/* rgb */ color: rgb(37, 62, 117);
/* oklch */ color: oklch(37.5% 0.099 263.9);

Tailwind

colors: {
  custom: {
    50: '#69729d',
    500: '#253e75',
    950: '#000000',
  },
}

SCSS

$custom: #253e75;
$custom-light: #69729d;
$custom-dark: #000000;

JSON

{
  "hex": "#253e75",
  "rgb": {
    "r": 37,
    "g": 62,
    "b": 117
  },
  "hsl": {
    "h": 221.25,
    "s": 51.948,
    "l": 30.196
  },
  "oklch": {
    "l": 0.37475,
    "c": 0.09914,
    "h": 263.9
  },
  "luminance": 0.05123
}

Semantic roles & 50–950 ramp

primary

#253E75

secondary

#A88C4E

accent

#AF4CDB

background

#F6F6F9

surface

#EBECF2

border

#C6C7CC

text

#07080E

muted

#7A7B7E

Preview Lab

Preview with #253E75

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

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