#253C83#253C83

#253C83 is a dark, vivid blue. Relative luminance 0.053; OKLCH L 38.1% C 0.123 H 266.9°. Best body text is #FFFFFF at 10.23:1 contrast (WCAG AA passes).

Color values

HEX	#253C83
RGB	rgb(37, 60, 131)
HSL	hsl(225, 56%, 33%)
HSV	hsv(225, 72%, 51%)
CMYK	cmyk(71.8%, 54.2%, 0%, 48.6%)
CIE-LAB	lab(27.47, 16.82, -42.66)
CIE-LCH	lch(27.47, 45.86, 291.52°)
OKLab	oklab(38.09% -0.0066 -0.1226)
OKLCH	oklch(38.09% 0.123 266.9)
XYZ	xyz(6.4741, 5.2631, 22.1430)
Luminance	0.0526 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#253C83 #836C25

analogous

#256B83 #253C83 #3D2583

triadic

#253C83 #83253C #3C8325

tetradic

#253C83 #83256B #836C25 #25833D

square

#253C83 #83256B #836C25 #25833D

split-complementary

#253C83 #833D25 #6B8325

monochromatic

#0A1024 #182653 #253C83 #3252B3 #5472CF

Accessibility & contrast

On white

10.23

#253C83 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.05

#253C83 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #253C83

10.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##253C83	#FFFFFF	#000000	##FFFFFF
##253C83	1.00	10.23	2.05	10.23
#FFFFFF	10.23	1.00	21.00	1.00
#000000	2.05	21.00	1.00	21.00
##FFFFFF	10.23	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0D4586

Deuteranopia (green-blind)

#003D82

Tritanopia (blue-blind)

#004D59

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #253c83;
/* rgb */ color: rgb(37, 60, 131);
/* oklch */ color: oklch(38.1% 0.123 266.9);

Tailwind

colors: {
  custom: {
    50: '#6c71a8',
    500: '#253c83',
    950: '#000000',
  },
}

SCSS

$custom: #253c83;
$custom-light: #6c71a8;
$custom-dark: #000000;

JSON

{
  "hex": "#253c83",
  "rgb": {
    "r": 37,
    "g": 60,
    "b": 131
  },
  "hsl": {
    "h": 225.319,
    "s": 55.952,
    "l": 32.941
  },
  "oklch": {
    "l": 0.38089,
    "c": 0.12282,
    "h": 266.9
  },
  "luminance": 0.05264
}

Semantic roles & 50–950 ramp

primary

#253C83

secondary

#B39B51

accent

#BA49DF

background

#F6F6FA

surface

#ECECF4

border

#C7C7CE

text

#08070F

muted

#7A7A7F

Preview Lab

Preview with #253C83

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

Preview Lab → · Contrast checker → · Palette generator →