#252C8A#252C8A

#252C8A is a dark, vivid blue. Relative luminance 0.040; OKLCH L 35.5% C 0.153 H 272.4°. Best body text is #FFFFFF at 11.63:1 contrast (WCAG AA passes).

Color values

HEX	#252C8A
RGB	rgb(37, 44, 138)
HSL	hsl(236, 58%, 34%)
HSV	hsv(236, 73%, 54%)
CMYK	cmyk(73.2%, 68.1%, 0%, 45.9%)
CIE-LAB	lab(23.77, 30.40, -53.06)
CIE-LCH	lch(23.77, 61.15, 299.81°)
OKLab	oklab(35.52% 0.0063 -0.1534)
OKLCH	oklch(35.52% 0.153 272.4)
XYZ	xyz(6.2495, 4.0290, 24.4882)
Luminance	0.0403 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#252C8A #8A8325

analogous

#255F8A #252C8A #51258A

triadic

#252C8A #8A252C #2C8A25

tetradic

#252C8A #8A255F #8A8325 #258A51

square

#252C8A #8A255F #8A8325 #258A51

split-complementary

#252C8A #8A5125 #5F8A25

monochromatic

#0B0D29 #181D5A #252C8A #323BBA #5760D2

Accessibility & contrast

On white

11.63

#252C8A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.81

#252C8A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #252C8A

11.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##252C8A	#FFFFFF	#000000	##FFFFFF
##252C8A	1.00	11.63	1.81	11.63
#FFFFFF	11.63	1.00	21.00	1.00
#000000	1.81	21.00	1.00	21.00
##FFFFFF	11.63	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003D8D

Deuteranopia (green-blind)

#003488

Tritanopia (blue-blind)

#004557

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #252c8a;
/* rgb */ color: rgb(37, 44, 138);
/* oklch */ color: oklch(35.5% 0.153 272.4);

Tailwind

colors: {
  custom: {
    50: '#6f65ad',
    500: '#252c8a',
    950: '#000000',
  },
}

SCSS

$custom: #252c8a;
$custom-light: #6f65ad;
$custom-dark: #000000;

JSON

{
  "hex": "#252c8a",
  "rgb": {
    "r": 37,
    "g": 44,
    "b": 138
  },
  "hsl": {
    "h": 235.842,
    "s": 57.714,
    "l": 34.314
  },
  "oklch": {
    "l": 0.35521,
    "c": 0.15349,
    "h": 272.4
  },
  "luminance": 0.0403
}

Semantic roles & 50–950 ramp

primary

#252C8A

secondary

#B7B054

accent

#D647E1

background

#F7F6FA

surface

#EDEBF4

border

#C8C6CE

text

#080510

muted

#7B7A7F

Preview Lab

Preview with #252C8A

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

Preview Lab → · Contrast checker → · Palette generator →