#252B5D#252B5D

#252B5D is a dark, moderate blue. Relative luminance 0.029; OKLCH L 31.3% C 0.088 H 274.9°. Best body text is #FFFFFF at 13.27:1 contrast (WCAG AA passes).

Color values

HEX	#252B5D
RGB	rgb(37, 43, 93)
HSL	hsl(234, 43%, 25%)
HSV	hsv(234, 60%, 36%)
CMYK	cmyk(60.2%, 53.8%, 0%, 63.5%)
CIE-LAB	lab(19.68, 14.14, -30.84)
CIE-LCH	lch(19.68, 33.93, 294.62°)
OKLab	oklab(31.31% 0.0076 -0.0881)
OKLCH	oklch(31.31% 0.088 274.9)
XYZ	xyz(3.6020, 2.9111, 10.7259)
Luminance	0.0291 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#252B5D #5D5725

analogous

#25475D #252B5D #3B255D

triadic

#252B5D #5D252B #2B5D25

tetradic

#252B5D #5D2547 #5D5725 #255D3B

square

#252B5D #5D2547 #5D5725 #255D3B

split-complementary

#252B5D #5D3B25 #475D25

monochromatic

#090A16 #141731 #252B5D #363F89 #4853B5

Accessibility & contrast

On white

13.27

#252B5D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.58

#252B5D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #252B5D

13.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##252B5D	#FFFFFF	#000000	##FFFFFF
##252B5D	1.00	13.27	1.58	13.27
#FFFFFF	13.27	1.00	21.00	1.00
#000000	1.58	21.00	1.00	21.00
##FFFFFF	13.27	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#11325F

Deuteranopia (green-blind)

#092D5C

Tritanopia (blue-blind)

#06363F

Achromatopsia (no color)

#303030

Design tokens & code

CSS

--color: #252b5d;
/* rgb */ color: rgb(37, 43, 93);
/* oklch */ color: oklch(31.3% 0.088 274.9);

Tailwind

colors: {
  custom: {
    50: '#65648b',
    500: '#252b5d',
    950: '#000000',
  },
}

SCSS

$custom: #252b5d;
$custom-light: #65648b;
$custom-dark: #000000;

JSON

{
  "hex": "#252b5d",
  "rgb": {
    "r": 37,
    "g": 43,
    "b": 93
  },
  "hsl": {
    "h": 233.571,
    "s": 43.077,
    "l": 25.49
  },
  "oklch": {
    "l": 0.31306,
    "c": 0.08844,
    "h": 274.9
  },
  "luminance": 0.02911
}

Semantic roles & 50–950 ramp

primary

#252B5D

secondary

#90894D

accent

#C555D3

background

#F6F5F8

surface

#EBEAF0

border

#C6C6CB

text

#06050C

muted

#7A797D

Preview Lab

Preview with #252B5D

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

Preview Lab → · Contrast checker → · Palette generator →