#253D83#253D83

#253D83 is a dark, vivid blue. Relative luminance 0.054; OKLCH L 38.3% C 0.121 H 266.4°. Best body text is #FFFFFF at 10.13:1 contrast (WCAG AA passes).

Color values

HEX	#253D83
RGB	rgb(37, 61, 131)
HSL	hsl(225, 56%, 33%)
HSV	hsv(225, 72%, 51%)
CMYK	cmyk(71.8%, 53.4%, 0%, 48.6%)
CIE-LAB	lab(27.76, 16.13, -42.19)
CIE-LCH	lch(27.76, 45.17, 290.92°)
OKLab	oklab(38.31% -0.0076 -0.1212)
OKLCH	oklch(38.31% 0.121 266.4)
XYZ	xyz(6.5270, 5.3688, 22.1606)
Luminance	0.0537 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#253D83 #836B25

analogous

#256C83 #253D83 #3C2583

triadic

#253D83 #83253D #3D8325

tetradic

#253D83 #83256C #836B25 #25833C

square

#253D83 #83256C #836B25 #25833C

split-complementary

#253D83 #833C25 #6C8325

monochromatic

#0A1124 #182753 #253D83 #3253B3 #5473CF

Accessibility & contrast

On white

10.13

#253D83 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.07

#253D83 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #253D83

10.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##253D83	#FFFFFF	#000000	##FFFFFF
##253D83	1.00	10.13	2.07	10.13
#FFFFFF	10.13	1.00	21.00	1.00
#000000	2.07	21.00	1.00	21.00
##FFFFFF	10.13	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#114685

Deuteranopia (green-blind)

#003D82

Tritanopia (blue-blind)

#004E5A

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #253d83;
/* rgb */ color: rgb(37, 61, 131);
/* oklch */ color: oklch(38.3% 0.121 266.4);

Tailwind

colors: {
  custom: {
    50: '#6c72a8',
    500: '#253d83',
    950: '#000000',
  },
}

SCSS

$custom: #253d83;
$custom-light: #6c72a8;
$custom-dark: #000000;

JSON

{
  "hex": "#253d83",
  "rgb": {
    "r": 37,
    "g": 61,
    "b": 131
  },
  "hsl": {
    "h": 224.681,
    "s": 55.952,
    "l": 32.941
  },
  "oklch": {
    "l": 0.38308,
    "c": 0.12149,
    "h": 266.4
  },
  "luminance": 0.05369
}

Semantic roles & 50–950 ramp

primary

#253D83

secondary

#B39A51

accent

#B949DF

background

#F6F6FA

surface

#ECECF4

border

#C7C7CE

text

#08070F

muted

#7A7A7F

Preview Lab

Preview with #253D83

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

Preview Lab → · Contrast checker → · Palette generator →