#252D8A#252D8A

#252D8A is a dark, vivid blue. Relative luminance 0.041; OKLCH L 35.7% C 0.152 H 272.1°. Best body text is #FFFFFF at 11.53:1 contrast (WCAG AA passes).

Color values

HEX	#252D8A
RGB	rgb(37, 45, 138)
HSL	hsl(235, 58%, 34%)
HSV	hsv(235, 73%, 54%)
CMYK	cmyk(73.2%, 67.4%, 0%, 45.9%)
CIE-LAB	lab(24.01, 29.74, -52.66)
CIE-LCH	lch(24.01, 60.48, 299.46°)
OKLab	oklab(35.7% 0.0056 -0.1522)
OKLCH	oklch(35.7% 0.152 272.1)
XYZ	xyz(6.2872, 4.1044, 24.5007)
Luminance	0.0411 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#252D8A #8A8225

analogous

#255F8A #252D8A #50258A

triadic

#252D8A #8A252D #2D8A25

tetradic

#252D8A #8A255F #8A8225 #258A50

square

#252D8A #8A255F #8A8225 #258A50

split-complementary

#252D8A #8A5025 #5F8A25

monochromatic

#0B0E29 #181D5A #252D8A #323DBA #5761D2

Accessibility & contrast

On white

11.53

#252D8A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.82

#252D8A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #252D8A

11.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##252D8A	#FFFFFF	#000000	##FFFFFF
##252D8A	1.00	11.53	1.82	11.53
#FFFFFF	11.53	1.00	21.00	1.00
#000000	1.82	21.00	1.00	21.00
##FFFFFF	11.53	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003E8D

Deuteranopia (green-blind)

#003488

Tritanopia (blue-blind)

#004657

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #252d8a;
/* rgb */ color: rgb(37, 45, 138);
/* oklch */ color: oklch(35.7% 0.152 272.1);

Tailwind

colors: {
  custom: {
    50: '#6f66ad',
    500: '#252d8a',
    950: '#000000',
  },
}

SCSS

$custom: #252d8a;
$custom-light: #6f66ad;
$custom-dark: #000000;

JSON

{
  "hex": "#252d8a",
  "rgb": {
    "r": 37,
    "g": 45,
    "b": 138
  },
  "hsl": {
    "h": 235.248,
    "s": 57.714,
    "l": 34.314
  },
  "oklch": {
    "l": 0.357,
    "c": 0.15227,
    "h": 272.1
  },
  "luminance": 0.04105
}

Semantic roles & 50–950 ramp

primary

#252D8A

secondary

#B7AF54

accent

#D547E1

background

#F7F6FA

surface

#EDEBF4

border

#C8C6CE

text

#080610

muted

#7B7A7F

Preview Lab

Preview with #252D8A

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

Preview Lab → · Contrast checker → · Palette generator →