#252B9D#252B9D

#252B9D is a dark, vivid blue. Relative luminance 0.046; OKLCH L 37.3% C 0.180 H 271.5°. Best body text is #FFFFFF at 10.99:1 contrast (WCAG AA passes).

Color values

HEX	#252B9D
RGB	rgb(37, 43, 157)
HSL	hsl(237, 62%, 38%)
HSV	hsv(237, 76%, 62%)
CMYK	cmyk(76.4%, 72.6%, 0%, 38.4%)
CIE-LAB	lab(25.43, 37.89, -62.05)
CIE-LCH	lch(25.43, 72.70, 301.41°)
OKLab	oklab(37.29% 0.0046 -0.1796)
OKLCH	oklch(37.29% 0.18 271.5)
XYZ	xyz(7.7106, 4.5546, 32.3645)
Luminance	0.0456 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#252B9D #9D9725

analogous

#25679D #252B9D #5B259D

triadic

#252B9D #9D252B #2B9D25

tetradic

#252B9D #9D2567 #9D9725 #259D5B

square

#252B9D #9D2567 #9D9725 #259D5B

split-complementary

#252B9D #9D5B25 #679D25

monochromatic

#0E103A #191D6B #252B9D #3139CE #6268DA

Accessibility & contrast

On white

10.99

#252B9D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.91

#252B9D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #252B9D

10.99:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##252B9D	#FFFFFF	#000000	##FFFFFF
##252B9D	1.00	10.99	1.91	10.99
#FFFFFF	10.99	1.00	21.00	1.00
#000000	1.91	21.00	1.00	21.00
##FFFFFF	10.99	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0042A0

Deuteranopia (green-blind)

#00369B

Tritanopia (blue-blind)

#004B61

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #252b9d;
/* rgb */ color: rgb(37, 43, 157);
/* oklch */ color: oklch(37.3% 0.180 271.5);

Tailwind

colors: {
  custom: {
    50: '#7465bb',
    500: '#252b9d',
    950: '#000000',
  },
}

SCSS

$custom: #252b9d;
$custom-light: #7465bb;
$custom-dark: #000000;

JSON

{
  "hex": "#252b9d",
  "rgb": {
    "r": 37,
    "g": 43,
    "b": 157
  },
  "hsl": {
    "h": 237,
    "s": 61.856,
    "l": 38.039
  },
  "oklch": {
    "l": 0.37291,
    "c": 0.17966,
    "h": 271.5
  },
  "luminance": 0.04555
}

Semantic roles & 50–950 ramp

primary

#252B9D

secondary

#BFBB5E

accent

#DD43E5

background

#F7F6FB

surface

#EEEBF6

border

#C9C6D0

text

#0A0612

muted

#7C7A81

Preview Lab

Preview with #252B9D

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

Preview Lab → · Contrast checker → · Palette generator →