#252B89#252B89

#252B89 is a dark, vivid blue. Relative luminance 0.039; OKLCH L 35.2% C 0.153 H 272.7°. Best body text is #FFFFFF at 11.76:1 contrast (WCAG AA passes).

Color values

HEX	#252B89
RGB	rgb(37, 43, 137)
HSL	hsl(236, 57%, 34%)
HSV	hsv(236, 73%, 54%)
CMYK	cmyk(73%, 68.6%, 0%, 46.3%)
CIE-LAB	lab(23.43, 30.69, -53.00)
CIE-LCH	lch(23.43, 61.24, 300.07°)
OKLab	oklab(35.24% 0.0071 -0.1532)
OKLCH	oklch(35.24% 0.153 272.7)
XYZ	xyz(6.1407, 3.9266, 24.0964)
Luminance	0.0393 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#252B89 #898325

analogous

#255D89 #252B89 #512589

triadic

#252B89 #89252B #2B8925

tetradic

#252B89 #89255D #898325 #258951

square

#252B89 #89255D #898325 #258951

split-complementary

#252B89 #895125 #5D8925

monochromatic

#0B0D29 #181C59 #252B89 #323AB9 #575ED2

Accessibility & contrast

On white

11.76

#252B89 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.79

#252B89 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #252B89

11.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##252B89	#FFFFFF	#000000	##FFFFFF
##252B89	1.00	11.76	1.79	11.76
#FFFFFF	11.76	1.00	21.00	1.00
#000000	1.79	21.00	1.00	21.00
##FFFFFF	11.76	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003D8C

Deuteranopia (green-blind)

#003387

Tritanopia (blue-blind)

#004456

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #252b89;
/* rgb */ color: rgb(37, 43, 137);
/* oklch */ color: oklch(35.2% 0.153 272.7);

Tailwind

colors: {
  custom: {
    50: '#6f64ac',
    500: '#252b89',
    950: '#000000',
  },
}

SCSS

$custom: #252b89;
$custom-light: #6f64ac;
$custom-dark: #000000;

JSON

{
  "hex": "#252b89",
  "rgb": {
    "r": 37,
    "g": 43,
    "b": 137
  },
  "hsl": {
    "h": 236.4,
    "s": 57.471,
    "l": 34.118
  },
  "oklch": {
    "l": 0.35244,
    "c": 0.15334,
    "h": 272.7
  },
  "luminance": 0.03927
}

Semantic roles & 50–950 ramp

primary

#252B89

secondary

#B6B054

accent

#D747E1

background

#F7F6FA

surface

#EDEBF4

border

#C8C6CE

text

#080510

muted

#7B7A7F

Preview Lab

Preview with #252B89

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

Preview Lab → · Contrast checker → · Palette generator →