#252E8B#252E8B

#252E8B is a dark, vivid blue. Relative luminance 0.042; OKLCH L 36.0% C 0.152 H 271.8°. Best body text is #FFFFFF at 11.40:1 contrast (WCAG AA passes).

Color values

HEX	#252E8B
RGB	rgb(37, 46, 139)
HSL	hsl(235, 58%, 35%)
HSV	hsv(235, 73%, 55%)
CMYK	cmyk(73.4%, 66.9%, 0%, 45.5%)
CIE-LAB	lab(24.36, 29.45, -52.72)
CIE-LCH	lch(24.36, 60.39, 299.19°)
OKLab	oklab(35.98% 0.0049 -0.1524)
OKLCH	oklch(35.98% 0.152 271.8)
XYZ	xyz(6.3986, 4.2107, 24.8966)
Luminance	0.0421 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#252E8B #8B8225

analogous

#25618B #252E8B #4F258B

triadic

#252E8B #8B252E #2E8B25

tetradic

#252E8B #8B2561 #8B8225 #258B4F

square

#252E8B #8B2561 #8B8225 #258B4F

split-complementary

#252E8B #8B4F25 #618B25

monochromatic

#0B0E2A #181E5B #252E8B #323EBB #5863D3

Accessibility & contrast

On white

11.40

#252E8B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.84

#252E8B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #252E8B

11.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##252E8B	#FFFFFF	#000000	##FFFFFF
##252E8B	1.00	11.40	1.84	11.40
#FFFFFF	11.40	1.00	21.00	1.00
#000000	1.84	21.00	1.00	21.00
##FFFFFF	11.40	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003F8E

Deuteranopia (green-blind)

#003589

Tritanopia (blue-blind)

#004658

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #252e8b;
/* rgb */ color: rgb(37, 46, 139);
/* oklch */ color: oklch(36.0% 0.152 271.8);

Tailwind

colors: {
  custom: {
    50: '#6f67ae',
    500: '#252e8b',
    950: '#000000',
  },
}

SCSS

$custom: #252e8b;
$custom-light: #6f67ae;
$custom-dark: #000000;

JSON

{
  "hex": "#252e8b",
  "rgb": {
    "r": 37,
    "g": 46,
    "b": 139
  },
  "hsl": {
    "h": 234.706,
    "s": 57.955,
    "l": 34.51
  },
  "oklch": {
    "l": 0.35979,
    "c": 0.15243,
    "h": 271.8
  },
  "luminance": 0.04211
}

Semantic roles & 50–950 ramp

primary

#252E8B

secondary

#B7AE55

accent

#D447E1

background

#F7F6FA

surface

#EDEBF4

border

#C8C6CE

text

#080610

muted

#7B7A7F

Preview Lab

Preview with #252E8B

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

Preview Lab → · Contrast checker → · Palette generator →