#252C99#252C99

#252C99 is a dark, vivid blue. Relative luminance 0.045; OKLCH L 37.0% C 0.173 H 271.5°. Best body text is #FFFFFF at 11.06:1 contrast (WCAG AA passes).

Color values

HEX	#252C99
RGB	rgb(37, 44, 153)
HSL	hsl(236, 61%, 37%)
HSV	hsv(236, 76%, 60%)
CMYK	cmyk(75.8%, 71.2%, 0%, 40%)
CIE-LAB	lab(25.24, 35.85, -59.91)
CIE-LCH	lch(25.24, 69.82, 300.90°)
OKLab	oklab(37.04% 0.0047 -0.1734)
OKLCH	oklch(37.04% 0.173 271.5)
XYZ	xyz(7.4115, 4.4938, 30.6076)
Luminance	0.0449 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#252C99 #999225

analogous

#256699 #252C99 #582599

triadic

#252C99 #99252C #2C9925

tetradic

#252C99 #992566 #999225 #259958

square

#252C99 #992566 #999225 #259958

split-complementary

#252C99 #995825 #669925

monochromatic

#0D1036 #191E68 #252C99 #313ACA #6067D9

Accessibility & contrast

On white

11.06

#252C99 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.90

#252C99 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #252C99

11.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##252C99	#FFFFFF	#000000	##FFFFFF
##252C99	1.00	11.06	1.90	11.06
#FFFFFF	11.06	1.00	21.00	1.00
#000000	1.90	21.00	1.00	21.00
##FFFFFF	11.06	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00419C

Deuteranopia (green-blind)

#003697

Tritanopia (blue-blind)

#004A5F

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #252c99;
/* rgb */ color: rgb(37, 44, 153);
/* oklch */ color: oklch(37.0% 0.173 271.5);

Tailwind

colors: {
  custom: {
    50: '#7366b8',
    500: '#252c99',
    950: '#000000',
  },
}

SCSS

$custom: #252c99;
$custom-light: #7366b8;
$custom-dark: #000000;

JSON

{
  "hex": "#252c99",
  "rgb": {
    "r": 37,
    "g": 44,
    "b": 153
  },
  "hsl": {
    "h": 236.379,
    "s": 61.053,
    "l": 37.255
  },
  "oklch": {
    "l": 0.37035,
    "c": 0.17342,
    "h": 271.5
  },
  "luminance": 0.04495
}

Semantic roles & 50–950 ramp

primary

#252C99

secondary

#BEB85C

accent

#DA44E4

background

#F7F6FB

surface

#EEEBF6

border

#C9C6D0

text

#090611

muted

#7B7A80

Preview Lab

Preview with #252C99

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

Preview Lab → · Contrast checker → · Palette generator →