#252F7A#252F7A

#252F7A is a dark, vivid blue. Relative luminance 0.038; OKLCH L 34.6% C 0.127 H 272.2°. Best body text is #FFFFFF at 11.89:1 contrast (WCAG AA passes).

Color values

HEX	#252F7A
RGB	rgb(37, 47, 122)
HSL	hsl(233, 53%, 31%)
HSV	hsv(233, 70%, 48%)
CMYK	cmyk(69.7%, 61.5%, 0%, 52.2%)
CIE-LAB	lab(23.10, 22.36, -44.08)
CIE-LCH	lch(23.10, 49.43, 296.90°)
OKLab	oklab(34.59% 0.0048 -0.127)
OKLCH	oklch(34.59% 0.127 272.2)
XYZ	xyz(5.2911, 3.8310, 18.8692)
Luminance	0.0383 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#252F7A #7A7025

analogous

#25597A #252F7A #45257A

triadic

#252F7A #7A252F #2F7A25

tetradic

#252F7A #7A2559 #7A7025 #257A45

square

#252F7A #7A2559 #7A7025 #257A45

split-complementary

#252F7A #7A4525 #597A25

monochromatic

#090B1C #171D4B #252F7A #3341A9 #505ECA

Accessibility & contrast

On white

11.89

#252F7A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.77

#252F7A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #252F7A

11.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##252F7A	#FFFFFF	#000000	##FFFFFF
##252F7A	1.00	11.89	1.77	11.89
#FFFFFF	11.89	1.00	21.00	1.00
#000000	1.77	21.00	1.00	21.00
##FFFFFF	11.89	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003B7C

Deuteranopia (green-blind)

#003379

Tritanopia (blue-blind)

#00424F

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #252f7a;
/* rgb */ color: rgb(37, 47, 122);
/* oklch */ color: oklch(34.6% 0.127 272.2);

Tailwind

colors: {
  custom: {
    50: '#6b67a1',
    500: '#252f7a',
    950: '#000000',
  },
}

SCSS

$custom: #252f7a;
$custom-light: #6b67a1;
$custom-dark: #000000;

JSON

{
  "hex": "#252f7a",
  "rgb": {
    "r": 37,
    "g": 47,
    "b": 122
  },
  "hsl": {
    "h": 232.941,
    "s": 53.459,
    "l": 31.176
  },
  "oklch": {
    "l": 0.34589,
    "c": 0.12709,
    "h": 272.2
  },
  "luminance": 0.03831
}

Semantic roles & 50–950 ramp

primary

#252F7A

secondary

#ACA14E

accent

#CC4BDD

background

#F6F6FA

surface

#ECEBF3

border

#C7C6CD

text

#07060F

muted

#7A7A7F

Preview Lab

Preview with #252F7A

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

Preview Lab → · Contrast checker → · Palette generator →