#252D88#252D88

#252D88 is a dark, vivid blue. Relative luminance 0.040; OKLCH L 35.5% C 0.150 H 272.2°. Best body text is #FFFFFF at 11.60:1 contrast (WCAG AA passes).

Color values

HEX	#252D88
RGB	rgb(37, 45, 136)
HSL	hsl(235, 57%, 34%)
HSV	hsv(235, 73%, 53%)
CMYK	cmyk(72.8%, 66.9%, 0%, 46.7%)
CIE-LAB	lab(23.83, 29.00, -51.72)
CIE-LCH	lch(23.83, 59.29, 299.28°)
OKLab	oklab(35.51% 0.0058 -0.1494)
OKLCH	oklch(35.51% 0.15 272.2)
XYZ	xyz(6.1438, 4.0471, 23.7452)
Luminance	0.0405 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#252D88 #888025

analogous

#255F88 #252D88 #4F2588

triadic

#252D88 #88252D #2D8825

tetradic

#252D88 #88255F #888025 #25884F

square

#252D88 #88255F #888025 #25884F

split-complementary

#252D88 #884F25 #5F8825

monochromatic

#0B0D28 #181D58 #252D88 #323DB8 #5660D1

Accessibility & contrast

On white

11.60

#252D88 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.81

#252D88 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #252D88

11.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##252D88	#FFFFFF	#000000	##FFFFFF
##252D88	1.00	11.60	1.81	11.60
#FFFFFF	11.60	1.00	21.00	1.00
#000000	1.81	21.00	1.00	21.00
##FFFFFF	11.60	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003D8B

Deuteranopia (green-blind)

#003486

Tritanopia (blue-blind)

#004556

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #252d88;
/* rgb */ color: rgb(37, 45, 136);
/* oklch */ color: oklch(35.5% 0.150 272.2);

Tailwind

colors: {
  custom: {
    50: '#6f66ac',
    500: '#252d88',
    950: '#000000',
  },
}

SCSS

$custom: #252d88;
$custom-light: #6f66ac;
$custom-dark: #000000;

JSON

{
  "hex": "#252d88",
  "rgb": {
    "r": 37,
    "g": 45,
    "b": 136
  },
  "hsl": {
    "h": 235.152,
    "s": 57.225,
    "l": 33.922
  },
  "oklch": {
    "l": 0.35506,
    "c": 0.14953,
    "h": 272.2
  },
  "luminance": 0.04048
}

Semantic roles & 50–950 ramp

primary

#252D88

secondary

#B6AE53

accent

#D447E0

background

#F7F6FA

surface

#EDEBF4

border

#C8C6CE

text

#080610

muted

#7B7A7F

Preview Lab

Preview with #252D88

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

Preview Lab → · Contrast checker → · Palette generator →