#253E80#253E80

#253E80 is a dark, moderate blue. Relative luminance 0.054; OKLCH L 38.3% C 0.116 H 265.6°. Best body text is #FFFFFF at 10.10:1 contrast (WCAG AA passes).

Color values

HEX	#253E80
RGB	rgb(37, 62, 128)
HSL	hsl(224, 55%, 32%)
HSV	hsv(224, 71%, 50%)
CMYK	cmyk(71.1%, 51.6%, 0%, 49.8%)
CIE-LAB	lab(27.84, 14.26, -40.20)
CIE-LCH	lch(27.84, 42.66, 289.53°)
OKLab	oklab(38.3% -0.0089 -0.1154)
OKLCH	oklch(38.3% 0.116 265.6)
XYZ	xyz(6.3805, 5.3964, 21.1232)
Luminance	0.0540 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#253E80 #806725

analogous

#256C80 #253E80 #392580

triadic

#253E80 #80253E #3E8025

tetradic

#253E80 #80256C #806725 #258039

square

#253E80 #80256C #806725 #258039

split-complementary

#253E80 #803925 #6C8025

monochromatic

#0A1021 #172751 #253E80 #3355AF #5274CD

Accessibility & contrast

On white

10.10

#253E80 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.08

#253E80 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #253E80

10.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##253E80	#FFFFFF	#000000	##FFFFFF
##253E80	1.00	10.10	2.08	10.10
#FFFFFF	10.10	1.00	21.00	1.00
#000000	2.08	21.00	1.00	21.00
##FFFFFF	10.10	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#184682

Deuteranopia (green-blind)

#003E7F

Tritanopia (blue-blind)

#004E59

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #253e80;
/* rgb */ color: rgb(37, 62, 128);
/* oklch */ color: oklch(38.3% 0.116 265.6);

Tailwind

colors: {
  custom: {
    50: '#6b72a5',
    500: '#253e80',
    950: '#000000',
  },
}

SCSS

$custom: #253e80;
$custom-light: #6b72a5;
$custom-dark: #000000;

JSON

{
  "hex": "#253e80",
  "rgb": {
    "r": 37,
    "g": 62,
    "b": 128
  },
  "hsl": {
    "h": 223.516,
    "s": 55.152,
    "l": 32.353
  },
  "oklch": {
    "l": 0.38295,
    "c": 0.1157,
    "h": 265.6
  },
  "luminance": 0.05397
}

Semantic roles & 50–950 ramp

primary

#253E80

secondary

#B19650

accent

#B649DE

background

#F6F6FA

surface

#ECECF4

border

#C7C7CE

text

#07080F

muted

#7A7B7F

Preview Lab

Preview with #253E80

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

Preview Lab → · Contrast checker → · Palette generator →