#252B9C#252B9C

#252B9C is a dark, vivid blue. Relative luminance 0.045; OKLCH L 37.2% C 0.178 H 271.5°. Best body text is #FFFFFF at 11.03:1 contrast (WCAG AA passes).

Color values

HEX	#252B9C
RGB	rgb(37, 43, 156)
HSL	hsl(237, 62%, 38%)
HSV	hsv(237, 76%, 61%)
CMYK	cmyk(76.3%, 72.4%, 0%, 38.8%)
CIE-LAB	lab(25.32, 37.53, -61.61)
CIE-LCH	lch(25.32, 72.14, 301.35°)
OKLab	oklab(37.19% 0.0048 -0.1783)
OKLCH	oklch(37.19% 0.178 271.5)
XYZ	xyz(7.6255, 4.5206, 31.9167)
Luminance	0.0452 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#252B9C #9C9625

analogous

#25669C #252B9C #5B259C

triadic

#252B9C #9C252B #2B9C25

tetradic

#252B9C #9C2566 #9C9625 #259C5B

square

#252B9C #9C2566 #9C9625 #259C5B

split-complementary

#252B9C #9C5B25 #669C25

monochromatic

#0E1039 #191D6B #252B9C #3139CD #6268DA

Accessibility & contrast

On white

11.03

#252B9C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.90

#252B9C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #252B9C

11.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##252B9C	#FFFFFF	#000000	##FFFFFF
##252B9C	1.00	11.03	1.90	11.03
#FFFFFF	11.03	1.00	21.00	1.00
#000000	1.90	21.00	1.00	21.00
##FFFFFF	11.03	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00429F

Deuteranopia (green-blind)

#00369A

Tritanopia (blue-blind)

#004B60

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #252b9c;
/* rgb */ color: rgb(37, 43, 156);
/* oklch */ color: oklch(37.2% 0.178 271.5);

Tailwind

colors: {
  custom: {
    50: '#7465ba',
    500: '#252b9c',
    950: '#000000',
  },
}

SCSS

$custom: #252b9c;
$custom-light: #7465ba;
$custom-dark: #000000;

JSON

{
  "hex": "#252b9c",
  "rgb": {
    "r": 37,
    "g": 43,
    "b": 156
  },
  "hsl": {
    "h": 236.975,
    "s": 61.658,
    "l": 37.843
  },
  "oklch": {
    "l": 0.37186,
    "c": 0.17838,
    "h": 271.5
  },
  "luminance": 0.04521
}

Semantic roles & 50–950 ramp

primary

#252B9C

secondary

#BFBA5E

accent

#DD43E5

background

#F7F6FB

surface

#EEEBF6

border

#C9C6D0

text

#0A0612

muted

#7C7A81

Preview Lab

Preview with #252B9C

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

Preview Lab → · Contrast checker → · Palette generator →