#252D89#252D89

#252D89 is a dark, vivid blue. Relative luminance 0.041; OKLCH L 35.6% C 0.151 H 272.2°. Best body text is #FFFFFF at 11.57:1 contrast (WCAG AA passes).

Color values

HEX	#252D89
RGB	rgb(37, 45, 137)
HSL	hsl(235, 57%, 34%)
HSV	hsv(235, 73%, 54%)
CMYK	cmyk(73%, 67.2%, 0%, 46.3%)
CIE-LAB	lab(23.92, 29.37, -52.19)
CIE-LCH	lch(23.92, 59.89, 299.37°)
OKLab	oklab(35.6% 0.0057 -0.1508)
OKLCH	oklch(35.6% 0.151 272.2)
XYZ	xyz(6.2152, 4.0756, 24.1212)
Luminance	0.0408 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#252D89 #898125

analogous

#255F89 #252D89 #4F2589

triadic

#252D89 #89252D #2D8925

tetradic

#252D89 #89255F #898125 #25894F

square

#252D89 #89255F #898125 #25894F

split-complementary

#252D89 #894F25 #5F8925

monochromatic

#0B0D29 #181D59 #252D89 #323DB9 #5761D2

Accessibility & contrast

On white

11.57

#252D89 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.82

#252D89 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #252D89

11.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##252D89	#FFFFFF	#000000	##FFFFFF
##252D89	1.00	11.57	1.82	11.57
#FFFFFF	11.57	1.00	21.00	1.00
#000000	1.82	21.00	1.00	21.00
##FFFFFF	11.57	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003E8C

Deuteranopia (green-blind)

#003487

Tritanopia (blue-blind)

#004557

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #252d89;
/* rgb */ color: rgb(37, 45, 137);
/* oklch */ color: oklch(35.6% 0.151 272.2);

Tailwind

colors: {
  custom: {
    50: '#6f66ac',
    500: '#252d89',
    950: '#000000',
  },
}

SCSS

$custom: #252d89;
$custom-light: #6f66ac;
$custom-dark: #000000;

JSON

{
  "hex": "#252d89",
  "rgb": {
    "r": 37,
    "g": 45,
    "b": 137
  },
  "hsl": {
    "h": 235.2,
    "s": 57.471,
    "l": 34.118
  },
  "oklch": {
    "l": 0.35603,
    "c": 0.15091,
    "h": 272.2
  },
  "luminance": 0.04076
}

Semantic roles & 50–950 ramp

primary

#252D89

secondary

#B6AE54

accent

#D447E1

background

#F7F6FA

surface

#EDEBF4

border

#C8C6CE

text

#080610

muted

#7B7A7F

Preview Lab

Preview with #252D89

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

Preview Lab → · Contrast checker → · Palette generator →