#253E83#253E83

#253E83 is a dark, vivid blue. Relative luminance 0.055; OKLCH L 38.5% C 0.120 H 265.9°. Best body text is #FFFFFF at 10.02:1 contrast (WCAG AA passes).

Color values

HEX	#253E83
RGB	rgb(37, 62, 131)
HSL	hsl(224, 56%, 33%)
HSV	hsv(224, 72%, 51%)
CMYK	cmyk(71.8%, 52.7%, 0%, 48.6%)
CIE-LAB	lab(28.05, 15.44, -41.73)
CIE-LCH	lch(28.05, 44.49, 290.30°)
OKLab	oklab(38.53% -0.0085 -0.1198)
OKLCH	oklch(38.53% 0.12 265.9)
XYZ	xyz(6.5809, 5.4766, 22.1786)
Luminance	0.0548 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#253E83 #836A25

analogous

#256D83 #253E83 #3B2583

triadic

#253E83 #83253E #3E8325

tetradic

#253E83 #83256D #836A25 #25833B

square

#253E83 #83256D #836A25 #25833B

split-complementary

#253E83 #833B25 #6D8325

monochromatic

#0A1124 #182753 #253E83 #3255B3 #5474CF

Accessibility & contrast

On white

10.02

#253E83 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.10

#253E83 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #253E83

10.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##253E83	#FFFFFF	#000000	##FFFFFF
##253E83	1.00	10.02	2.10	10.02
#FFFFFF	10.02	1.00	21.00	1.00
#000000	2.10	21.00	1.00	21.00
##FFFFFF	10.02	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#144785

Deuteranopia (green-blind)

#003E82

Tritanopia (blue-blind)

#004E5A

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #253e83;
/* rgb */ color: rgb(37, 62, 131);
/* oklch */ color: oklch(38.5% 0.120 265.9);

Tailwind

colors: {
  custom: {
    50: '#6c72a8',
    500: '#253e83',
    950: '#000000',
  },
}

SCSS

$custom: #253e83;
$custom-light: #6c72a8;
$custom-dark: #000000;

JSON

{
  "hex": "#253e83",
  "rgb": {
    "r": 37,
    "g": 62,
    "b": 131
  },
  "hsl": {
    "h": 224.043,
    "s": 55.952,
    "l": 32.941
  },
  "oklch": {
    "l": 0.38529,
    "c": 0.12015,
    "h": 265.9
  },
  "luminance": 0.05477
}

Semantic roles & 50–950 ramp

primary

#253E83

secondary

#B39951

accent

#B749DF

background

#F6F6FA

surface

#ECECF4

border

#C7C7CE

text

#08080F

muted

#7B7B7F

Preview Lab

Preview with #253E83

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

Preview Lab → · Contrast checker → · Palette generator →