#252D4F#252D4F

#252D4F is a dark, moderate blue. Relative luminance 0.028; OKLCH L 30.8% C 0.062 H 272.3°. Best body text is #FFFFFF at 13.40:1 contrast (WCAG AA passes).

Color values

HEX	#252D4F
RGB	rgb(37, 45, 79)
HSL	hsl(229, 36%, 23%)
HSV	hsv(229, 53%, 31%)
CMYK	cmyk(53.2%, 43%, 0%, 69%)
CIE-LAB	lab(19.37, 7.51, -22.01)
CIE-LCH	lch(19.37, 23.25, 288.85°)
OKLab	oklab(30.76% 0.0025 -0.0622)
OKLCH	oklch(30.76% 0.062 272.3)
XYZ	xyz(3.1122, 2.8344, 7.7787)
Luminance	0.0284 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#252D4F #4F4725

analogous

#25424F #252D4F #32254F

triadic

#252D4F #4F252D #2D4F25

tetradic

#252D4F #4F2542 #4F4725 #254F32

square

#252D4F #4F2542 #4F4725 #254F32

split-complementary

#252D4F #4F3225 #424F25

monochromatic

#0A0C15 #111525 #252D4F #394579 #4C5CA2

Accessibility & contrast

On white

13.40

#252D4F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.57

#252D4F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #252D4F

13.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##252D4F	#FFFFFF	#000000	##FFFFFF
##252D4F	1.00	13.40	1.57	13.40
#FFFFFF	13.40	1.00	21.00	1.00
#000000	1.57	21.00	1.00	21.00
##FFFFFF	13.40	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#203150

Deuteranopia (green-blind)

#1C2D4E

Tritanopia (blue-blind)

#14343A

Achromatopsia (no color)

#2F2F2F

Design tokens & code

CSS

--color: #252d4f;
/* rgb */ color: rgb(37, 45, 79);
/* oklch */ color: oklch(30.8% 0.062 272.3);

Tailwind

colors: {
  custom: {
    50: '#626580',
    500: '#252d4f',
    950: '#000000',
  },
}

SCSS

$custom: #252d4f;
$custom-light: #626580;
$custom-dark: #000000;

JSON

{
  "hex": "#252d4f",
  "rgb": {
    "r": 37,
    "g": 45,
    "b": 79
  },
  "hsl": {
    "h": 228.571,
    "s": 36.207,
    "l": 22.745
  },
  "oklch": {
    "l": 0.30763,
    "c": 0.06223,
    "h": 272.3
  },
  "luminance": 0.02835
}

Semantic roles & 50–950 ramp

primary

#252D4F

secondary

#82784E

accent

#B75CCC

background

#F5F6F7

surface

#EAEBEE

border

#C6C6C9

text

#05050A

muted

#797A7C

Preview Lab

Preview with #252D4F

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

Preview Lab → · Contrast checker → · Palette generator →