#253F87#253F87

#253F87 is a dark, vivid blue. Relative luminance 0.057; OKLCH L 39.1% C 0.125 H 265.9°. Best body text is #FFFFFF at 9.81:1 contrast (WCAG AA passes).

Color values

HEX	#253F87
RGB	rgb(37, 63, 135)
HSL	hsl(224, 57%, 34%)
HSV	hsv(224, 73%, 53%)
CMYK	cmyk(72.6%, 53.3%, 0%, 47.1%)
CIE-LAB	lab(28.63, 16.31, -43.27)
CIE-LCH	lch(28.63, 46.24, 290.66°)
OKLab	oklab(39.06% -0.009 -0.1244)
OKLCH	oklch(39.06% 0.125 265.9)
XYZ	xyz(6.9121, 5.6969, 23.6523)
Luminance	0.0570 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#253F87 #876D25

analogous

#257087 #253F87 #3C2587

triadic

#253F87 #87253F #3F8725

tetradic

#253F87 #872570 #876D25 #25873C

square

#253F87 #872570 #876D25 #25873C

split-complementary

#253F87 #873C25 #708725

monochromatic

#0B1227 #182957 #253F87 #3255B7 #5676D1

Accessibility & contrast

On white

9.81

#253F87 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.14

#253F87 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #253F87

9.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##253F87	#FFFFFF	#000000	##FFFFFF
##253F87	1.00	9.81	2.14	9.81
#FFFFFF	9.81	1.00	21.00	1.00
#000000	2.14	21.00	1.00	21.00
##FFFFFF	9.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#11488A

Deuteranopia (green-blind)

#003F86

Tritanopia (blue-blind)

#00505C

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #253f87;
/* rgb */ color: rgb(37, 63, 135);
/* oklch */ color: oklch(39.1% 0.125 265.9);

Tailwind

colors: {
  custom: {
    50: '#6d73aa',
    500: '#253f87',
    950: '#000000',
  },
}

SCSS

$custom: #253f87;
$custom-light: #6d73aa;
$custom-dark: #000000;

JSON

{
  "hex": "#253f87",
  "rgb": {
    "r": 37,
    "g": 63,
    "b": 135
  },
  "hsl": {
    "h": 224.082,
    "s": 56.977,
    "l": 33.725
  },
  "oklch": {
    "l": 0.39064,
    "c": 0.1247,
    "h": 265.9
  },
  "luminance": 0.05698
}

Semantic roles & 50–950 ramp

primary

#253F87

secondary

#B59B53

accent

#B848E0

background

#F7F6FA

surface

#EDECF4

border

#C8C7CE

text

#080810

muted

#7B7B7F

Preview Lab

Preview with #253F87

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

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