#252E59#252E59

#252E59 is a dark, moderate blue. Relative luminance 0.031; OKLCH L 31.7% C 0.077 H 272.4°. Best body text is #FFFFFF at 13.01:1 contrast (WCAG AA passes).

Color values

HEX	#252E59
RGB	rgb(37, 46, 89)
HSL	hsl(230, 41%, 25%)
HSV	hsv(230, 58%, 35%)
CMYK	cmyk(58.4%, 48.3%, 0%, 65.1%)
CIE-LAB	lab(20.32, 10.49, -27.18)
CIE-LCH	lch(20.32, 29.14, 291.09°)
OKLab	oklab(31.7% 0.0032 -0.0773)
OKLCH	oklch(31.7% 0.077 272.4)
XYZ	xyz(3.5425, 3.0683, 9.8548)
Luminance	0.0307 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#252E59 #595025

analogous

#254859 #252E59 #362559

triadic

#252E59 #59252E #2E5925

tetradic

#252E59 #592548 #595025 #255936

square

#252E59 #592548 #595025 #255936

split-complementary

#252E59 #593625 #485925

monochromatic

#090B16 #13182E #252E59 #374484 #495BAF

Accessibility & contrast

On white

13.01

#252E59 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.61

#252E59 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #252E59

13.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##252E59	#FFFFFF	#000000	##FFFFFF
##252E59	1.00	13.01	1.61	13.01
#FFFFFF	13.01	1.00	21.00	1.00
#000000	1.61	21.00	1.00	21.00
##FFFFFF	13.01	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1B335B

Deuteranopia (green-blind)

#152F58

Tritanopia (blue-blind)

#0B373F

Achromatopsia (no color)

#313131

Design tokens & code

CSS

--color: #252e59;
/* rgb */ color: rgb(37, 46, 89);
/* oklch */ color: oklch(31.7% 0.077 272.4);

Tailwind

colors: {
  custom: {
    50: '#646688',
    500: '#252e59',
    950: '#000000',
  },
}

SCSS

$custom: #252e59;
$custom-light: #646688;
$custom-dark: #000000;

JSON

{
  "hex": "#252e59",
  "rgb": {
    "r": 37,
    "g": 46,
    "b": 89
  },
  "hsl": {
    "h": 229.615,
    "s": 41.27,
    "l": 24.706
  },
  "oklch": {
    "l": 0.31695,
    "c": 0.07739,
    "h": 272.4
  },
  "luminance": 0.03069
}

Semantic roles & 50–950 ramp

primary

#252E59

secondary

#8C814D

accent

#BC57D1

background

#F6F6F8

surface

#EBEBF0

border

#C6C6CB

text

#06050B

muted

#7A7A7C

Preview Lab

Preview with #252E59

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

Preview Lab → · Contrast checker → · Palette generator →