#25366B#25366B

#25366B is a dark, moderate blue. Relative luminance 0.041; OKLCH L 34.9% C 0.095 H 267.9°. Best body text is #FFFFFF at 11.55:1 contrast (WCAG AA passes).

Color values

HEX	#25366B
RGB	rgb(37, 54, 107)
HSL	hsl(225, 49%, 28%)
HSV	hsv(225, 65%, 42%)
CMYK	cmyk(65.4%, 49.5%, 0%, 58%)
CIE-LAB	lab(23.98, 11.67, -33.09)
CIE-LCH	lch(23.98, 35.08, 289.43°)
OKLab	oklab(34.88% -0.0035 -0.0946)
OKLCH	oklch(34.88% 0.095 267.9)
XYZ	xyz(4.7351, 4.0928, 14.4475)
Luminance	0.0409 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#25366B #6B5A25

analogous

#25596B #25366B #37256B

triadic

#25366B #6B2536 #366B25

tetradic

#25366B #6B2559 #6B5A25 #256B37

square

#25366B #6B2559 #6B5A25 #256B37

split-complementary

#25366B #6B3725 #596B25

monochromatic

#080B17 #151F3E #25366B #354D98 #4A67C0

Accessibility & contrast

On white

11.55

#25366B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.82

#25366B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #25366B

11.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##25366B	#FFFFFF	#000000	##FFFFFF
##25366B	1.00	11.55	1.82	11.55
#FFFFFF	11.55	1.00	21.00	1.00
#000000	1.82	21.00	1.00	21.00
##FFFFFF	11.55	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1C3C6D

Deuteranopia (green-blind)

#10366A

Tritanopia (blue-blind)

#00424B

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #25366b;
/* rgb */ color: rgb(37, 54, 107);
/* oklch */ color: oklch(34.9% 0.095 267.9);

Tailwind

colors: {
  custom: {
    50: '#676c96',
    500: '#25366b',
    950: '#000000',
  },
}

SCSS

$custom: #25366b;
$custom-light: #676c96;
$custom-dark: #000000;

JSON

{
  "hex": "#25366b",
  "rgb": {
    "r": 37,
    "g": 54,
    "b": 107
  },
  "hsl": {
    "h": 225.429,
    "s": 48.611,
    "l": 28.235
  },
  "oklch": {
    "l": 0.34881,
    "c": 0.09462,
    "h": 267.9
  },
  "luminance": 0.04093
}

Semantic roles & 50–950 ramp

primary

#25366B

secondary

#9E8B4E

accent

#B750D8

background

#F6F6F9

surface

#EBEBF2

border

#C6C6CC

text

#06070D

muted

#7A7A7E

Preview Lab

Preview with #25366B

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

Preview Lab → · Contrast checker → · Palette generator →