#252B9A#252B9A

#252B9A is a dark, vivid blue. Relative luminance 0.045; OKLCH L 37.0% C 0.176 H 271.6°. Best body text is #FFFFFF at 11.11:1 contrast (WCAG AA passes).

Color values

HEX	#252B9A
RGB	rgb(37, 43, 154)
HSL	hsl(237, 61%, 37%)
HSV	hsv(237, 76%, 60%)
CMYK	cmyk(76%, 72.1%, 0%, 39.6%)
CIE-LAB	lab(25.12, 36.83, -60.73)
CIE-LCH	lch(25.12, 71.02, 301.23°)
OKLab	oklab(36.98% 0.0051 -0.1757)
OKLCH	oklch(36.98% 0.176 271.6)
XYZ	xyz(7.4576, 4.4534, 31.0321)
Luminance	0.0445 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#252B9A #9A9425

analogous

#25669A #252B9A #59259A

triadic

#252B9A #9A252B #2B9A25

tetradic

#252B9A #9A2566 #9A9425 #259A59

square

#252B9A #9A2566 #9A9425 #259A59

split-complementary

#252B9A #9A5925 #669A25

monochromatic

#0D0F37 #191D69 #252B9A #3139CB #6067D9

Accessibility & contrast

On white

11.11

#252B9A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.89

#252B9A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #252B9A

11.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##252B9A	#FFFFFF	#000000	##FFFFFF
##252B9A	1.00	11.11	1.89	11.11
#FFFFFF	11.11	1.00	21.00	1.00
#000000	1.89	21.00	1.00	21.00
##FFFFFF	11.11	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00419D

Deuteranopia (green-blind)

#003698

Tritanopia (blue-blind)

#004A5F

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #252b9a;
/* rgb */ color: rgb(37, 43, 154);
/* oklch */ color: oklch(37.0% 0.176 271.6);

Tailwind

colors: {
  custom: {
    50: '#7365b9',
    500: '#252b9a',
    950: '#000000',
  },
}

SCSS

$custom: #252b9a;
$custom-light: #7365b9;
$custom-dark: #000000;

JSON

{
  "hex": "#252b9a",
  "rgb": {
    "r": 37,
    "g": 43,
    "b": 154
  },
  "hsl": {
    "h": 236.923,
    "s": 61.257,
    "l": 37.451
  },
  "oklch": {
    "l": 0.36977,
    "c": 0.17581,
    "h": 271.6
  },
  "luminance": 0.04454
}

Semantic roles & 50–950 ramp

primary

#252B9A

secondary

#BEB95D

accent

#DC43E4

background

#F7F6FB

surface

#EEEBF6

border

#C9C6D0

text

#090512

muted

#7B7A81

Preview Lab

Preview with #252B9A

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

Preview Lab → · Contrast checker → · Palette generator →