#252B87#252B87

#252B87 is a dark, vivid blue. Relative luminance 0.039; OKLCH L 35.0% C 0.151 H 272.8°. Best body text is #FFFFFF at 11.84:1 contrast (WCAG AA passes).

Color values

HEX	#252B87
RGB	rgb(37, 43, 135)
HSL	hsl(236, 57%, 34%)
HSV	hsv(236, 73%, 53%)
CMYK	cmyk(72.6%, 68.1%, 0%, 47.1%)
CIE-LAB	lab(23.24, 29.95, -52.06)
CIE-LCH	lch(23.24, 60.06, 299.91°)
OKLab	oklab(35.05% 0.0073 -0.1504)
OKLCH	oklch(35.05% 0.151 272.8)
XYZ	xyz(5.9985, 3.8698, 23.3478)
Luminance	0.0387 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#252B87 #878125

analogous

#255C87 #252B87 #502587

triadic

#252B87 #87252B #2B8725

tetradic

#252B87 #87255C #878125 #258750

square

#252B87 #87255C #878125 #258750

split-complementary

#252B87 #875025 #5C8725

monochromatic

#0B0C27 #181C57 #252B87 #323AB7 #565DD1

Accessibility & contrast

On white

11.84

#252B87 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.77

#252B87 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #252B87

11.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##252B87	#FFFFFF	#000000	##FFFFFF
##252B87	1.00	11.84	1.77	11.84
#FFFFFF	11.84	1.00	21.00	1.00
#000000	1.77	21.00	1.00	21.00
##FFFFFF	11.84	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003C8A

Deuteranopia (green-blind)

#003385

Tritanopia (blue-blind)

#004355

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #252b87;
/* rgb */ color: rgb(37, 43, 135);
/* oklch */ color: oklch(35.0% 0.151 272.8);

Tailwind

colors: {
  custom: {
    50: '#6e64ab',
    500: '#252b87',
    950: '#000000',
  },
}

SCSS

$custom: #252b87;
$custom-light: #6e64ab;
$custom-dark: #000000;

JSON

{
  "hex": "#252b87",
  "rgb": {
    "r": 37,
    "g": 43,
    "b": 135
  },
  "hsl": {
    "h": 236.327,
    "s": 56.977,
    "l": 33.725
  },
  "oklch": {
    "l": 0.35047,
    "c": 0.15061,
    "h": 272.8
  },
  "luminance": 0.0387
}

Semantic roles & 50–950 ramp

primary

#252B87

secondary

#B5AF53

accent

#D748E0

background

#F7F6FA

surface

#EDEBF4

border

#C8C6CE

text

#080510

muted

#7B7A7F

Preview Lab

Preview with #252B87

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

Preview Lab → · Contrast checker → · Palette generator →