#252D7B#252D7B

#252D7B is a dark, vivid blue. Relative luminance 0.037; OKLCH L 34.3% C 0.131 H 272.9°. Best body text is #FFFFFF at 12.07:1 contrast (WCAG AA passes).

Color values

HEX	#252D7B
RGB	rgb(37, 45, 123)
HSL	hsl(234, 54%, 31%)
HSV	hsv(234, 70%, 48%)
CMYK	cmyk(69.9%, 63.4%, 0%, 51.8%)
CIE-LAB	lab(22.65, 24.12, -45.45)
CIE-LCH	lch(22.65, 51.46, 297.95°)
OKLab	oklab(34.28% 0.0065 -0.131)
OKLCH	oklch(34.28% 0.131 272.9)
XYZ	xyz(5.2753, 3.6997, 19.1712)
Luminance	0.0370 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#252D7B #7B7325

analogous

#25587B #252D7B #48257B

triadic

#252D7B #7B252D #2D7B25

tetradic

#252D7B #7B2558 #7B7325 #257B48

square

#252D7B #7B2558 #7B7325 #257B48

split-complementary

#252D7B #7B4825 #587B25

monochromatic

#090B1D #171C4C #252D7B #333EAA #505BCA

Accessibility & contrast

On white

12.07

#252D7B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.74

#252D7B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #252D7B

12.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##252D7B	#FFFFFF	#000000	##FFFFFF
##252D7B	1.00	12.07	1.74	12.07
#FFFFFF	12.07	1.00	21.00	1.00
#000000	1.74	21.00	1.00	21.00
##FFFFFF	12.07	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003A7E

Deuteranopia (green-blind)

#003279

Tritanopia (blue-blind)

#00414F

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #252d7b;
/* rgb */ color: rgb(37, 45, 123);
/* oklch */ color: oklch(34.3% 0.131 272.9);

Tailwind

colors: {
  custom: {
    50: '#6b66a2',
    500: '#252d7b',
    950: '#000000',
  },
}

SCSS

$custom: #252d7b;
$custom-light: #6b66a2;
$custom-dark: #000000;

JSON

{
  "hex": "#252d7b",
  "rgb": {
    "r": 37,
    "g": 45,
    "b": 123
  },
  "hsl": {
    "h": 234.419,
    "s": 53.75,
    "l": 31.373
  },
  "oklch": {
    "l": 0.34281,
    "c": 0.13121,
    "h": 272.9
  },
  "luminance": 0.037
}

Semantic roles & 50–950 ramp

primary

#252D7B

secondary

#ADA44F

accent

#D04BDD

background

#F6F6FA

surface

#ECEBF3

border

#C7C6CD

text

#07050F

muted

#7A7A7F

Preview Lab

Preview with #252D7B

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

Preview Lab → · Contrast checker → · Palette generator →