#252C9F#252C9F

#252C9F is a dark, vivid blue. Relative luminance 0.047; OKLCH L 37.7% C 0.181 H 271.2°. Best body text is #FFFFFF at 10.83:1 contrast (WCAG AA passes).

Color values

HEX	#252C9F
RGB	rgb(37, 44, 159)
HSL	hsl(237, 62%, 38%)
HSV	hsv(237, 77%, 62%)
CMYK	cmyk(76.7%, 72.3%, 0%, 37.6%)
CIE-LAB	lab(25.85, 37.98, -62.57)
CIE-LCH	lch(25.85, 73.19, 301.26°)
OKLab	oklab(37.66% 0.0039 -0.1811)
OKLCH	oklch(37.66% 0.181 271.2)
XYZ	xyz(7.9195, 4.6970, 33.2834)
Luminance	0.0470 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#252C9F #9F9825

analogous

#25699F #252C9F #5B259F

triadic

#252C9F #9F252C #2C9F25

tetradic

#252C9F #9F2569 #9F9825 #259F5B

square

#252C9F #9F2569 #9F9825 #259F5B

split-complementary

#252C9F #9F5B25 #699F25

monochromatic

#0E113C #191E6D #252C9F #323BCF #646ADB

Accessibility & contrast

On white

10.83

#252C9F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.94

#252C9F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #252C9F

10.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##252C9F	#FFFFFF	#000000	##FFFFFF
##252C9F	1.00	10.83	1.94	10.83
#FFFFFF	10.83	1.00	21.00	1.00
#000000	1.94	21.00	1.00	21.00
##FFFFFF	10.83	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0043A2

Deuteranopia (green-blind)

#00379D

Tritanopia (blue-blind)

#004C62

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #252c9f;
/* rgb */ color: rgb(37, 44, 159);
/* oklch */ color: oklch(37.7% 0.181 271.2);

Tailwind

colors: {
  custom: {
    50: '#7466bd',
    500: '#252c9f',
    950: '#000000',
  },
}

SCSS

$custom: #252c9f;
$custom-light: #7466bd;
$custom-dark: #000000;

JSON

{
  "hex": "#252c9f",
  "rgb": {
    "r": 37,
    "g": 44,
    "b": 159
  },
  "hsl": {
    "h": 236.557,
    "s": 62.245,
    "l": 38.431
  },
  "oklch": {
    "l": 0.3766,
    "c": 0.18115,
    "h": 271.2
  },
  "luminance": 0.04698
}

Semantic roles & 50–950 ramp

primary

#252C9F

secondary

#C0BB5F

accent

#DC42E5

background

#F7F6FB

surface

#EEEBF7

border

#C9C6D0

text

#0A0612

muted

#7C7A81

Preview Lab

Preview with #252C9F

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

Preview Lab → · Contrast checker → · Palette generator →