#252F7F#252F7F

#252F7F is a dark, vivid blue. Relative luminance 0.040; OKLCH L 35.0% C 0.134 H 272.0°. Best body text is #FFFFFF at 11.72:1 contrast (WCAG AA passes).

Color values

HEX	#252F7F
RGB	rgb(37, 47, 127)
HSL	hsl(233, 55%, 32%)
HSV	hsv(233, 71%, 50%)
CMYK	cmyk(70.9%, 63%, 0%, 50.2%)
CIE-LAB	lab(23.53, 24.26, -46.55)
CIE-LCH	lch(23.53, 52.49, 297.53°)
OKLab	oklab(35.04% 0.0047 -0.1342)
OKLCH	oklch(35.04% 0.134 272)
XYZ	xyz(5.6089, 3.9581, 20.5430)
Luminance	0.0396 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#252F7F #7F7525

analogous

#255C7F #252F7F #48257F

triadic

#252F7F #7F252F #2F7F25

tetradic

#252F7F #7F255C #7F7525 #257F48

square

#252F7F #7F255C #7F7525 #257F48

split-complementary

#252F7F #7F4825 #5C7F25

monochromatic

#090C20 #171D50 #252F7F #3341AE #525FCD

Accessibility & contrast

On white

11.72

#252F7F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.79

#252F7F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #252F7F

11.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##252F7F	#FFFFFF	#000000	##FFFFFF
##252F7F	1.00	11.72	1.79	11.72
#FFFFFF	11.72	1.00	21.00	1.00
#000000	1.79	21.00	1.00	21.00
##FFFFFF	11.72	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003C82

Deuteranopia (green-blind)

#00347D

Tritanopia (blue-blind)

#004352

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #252f7f;
/* rgb */ color: rgb(37, 47, 127);
/* oklch */ color: oklch(35.0% 0.134 272.0);

Tailwind

colors: {
  custom: {
    50: '#6c67a5',
    500: '#252f7f',
    950: '#000000',
  },
}

SCSS

$custom: #252f7f;
$custom-light: #6c67a5;
$custom-dark: #000000;

JSON

{
  "hex": "#252f7f",
  "rgb": {
    "r": 37,
    "g": 47,
    "b": 127
  },
  "hsl": {
    "h": 233.333,
    "s": 54.878,
    "l": 32.157
  },
  "oklch": {
    "l": 0.35039,
    "c": 0.13433,
    "h": 272
  },
  "luminance": 0.03959
}

Semantic roles & 50–950 ramp

primary

#252F7F

secondary

#B1A64F

accent

#CE4ADE

background

#F6F6FA

surface

#ECEBF4

border

#C7C6CE

text

#08060F

muted

#7A7A7F

Preview Lab

Preview with #252F7F

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

Preview Lab → · Contrast checker → · Palette generator →