#252C4E#252C4E

#252C4E is a dark, moderate blue. Relative luminance 0.027; OKLCH L 30.5% C 0.062 H 273.4°. Best body text is #FFFFFF at 13.56:1 contrast (WCAG AA passes).

Color values

HEX	#252C4E
RGB	rgb(37, 44, 78)
HSL	hsl(230, 36%, 23%)
HSV	hsv(230, 53%, 31%)
CMYK	cmyk(52.6%, 43.6%, 0%, 69.4%)
CIE-LAB	lab(18.99, 7.86, -21.93)
CIE-LCH	lch(18.99, 23.30, 289.72°)
OKLab	oklab(30.45% 0.0037 -0.062)
OKLCH	oklch(30.45% 0.062 273.4)
XYZ	xyz(3.0383, 2.7446, 7.5759)
Luminance	0.0274 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#252C4E #4E4725

analogous

#25404E #252C4E #32254E

triadic

#252C4E #4E252C #2C4E25

tetradic

#252C4E #4E2540 #4E4725 #254E32

square

#252C4E #4E2540 #4E4725 #254E32

split-complementary

#252C4E #4E3225 #404E25

monochromatic

#0A0C15 #111524 #252C4E #394378 #4C5BA1

Accessibility & contrast

On white

13.56

#252C4E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.55

#252C4E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #252C4E

13.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##252C4E	#FFFFFF	#000000	##FFFFFF
##252C4E	1.00	13.56	1.55	13.56
#FFFFFF	13.56	1.00	21.00	1.00
#000000	1.55	21.00	1.00	21.00
##FFFFFF	13.56	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1F304F

Deuteranopia (green-blind)

#1B2D4D

Tritanopia (blue-blind)

#153339

Achromatopsia (no color)

#2E2E2E

Design tokens & code

CSS

--color: #252c4e;
/* rgb */ color: rgb(37, 44, 78);
/* oklch */ color: oklch(30.5% 0.062 273.4);

Tailwind

colors: {
  custom: {
    50: '#626480',
    500: '#252c4e',
    950: '#000000',
  },
}

SCSS

$custom: #252c4e;
$custom-light: #626480;
$custom-dark: #000000;

JSON

{
  "hex": "#252c4e",
  "rgb": {
    "r": 37,
    "g": 44,
    "b": 78
  },
  "hsl": {
    "h": 229.756,
    "s": 35.652,
    "l": 22.549
  },
  "oklch": {
    "l": 0.30453,
    "c": 0.06207,
    "h": 273.4
  },
  "luminance": 0.02745
}

Semantic roles & 50–950 ramp

primary

#252C4E

secondary

#81784E

accent

#B95CCC

background

#F5F6F7

surface

#EAEBEE

border

#C6C6C9

text

#05050A

muted

#797A7C

Preview Lab

Preview with #252C4E

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

Preview Lab → · Contrast checker → · Palette generator →