#25255B#25255B

#25255B is a dark, moderate blue. Relative luminance 0.025; OKLCH L 29.8% C 0.094 H 279.0°. Best body text is #FFFFFF at 14.05:1 contrast (WCAG AA passes).

Color values

HEX	#25255B
RGB	rgb(37, 37, 91)
HSL	hsl(240, 42%, 25%)
HSV	hsv(240, 59%, 36%)
CMYK	cmyk(59.3%, 59.3%, 0%, 64.3%)
CIE-LAB	lab(17.79, 17.67, -32.57)
CIE-LCH	lch(17.79, 37.05, 298.49°)
OKLab	oklab(29.84% 0.0148 -0.0932)
OKLCH	oklch(29.84% 0.094 279)
XYZ	xyz(3.3123, 2.4716, 10.1980)
Luminance	0.0247 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#25255B #5B5B25

analogous

#25405B #25255B #40255B

triadic

#25255B #5B2525 #255B25

tetradic

#25255B #5B2540 #5B5B25 #255B40

square

#25255B #5B2540 #5B5B25 #255B40

split-complementary

#25255B #5B4025 #405B25

monochromatic

#090916 #13132F #25255B #373787 #4848B2

Accessibility & contrast

On white

14.05

#25255B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.49

#25255B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #25255B

14.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##25255B	#FFFFFF	#000000	##FFFFFF
##25255B	1.00	14.05	1.49	14.05
#FFFFFF	14.05	1.00	21.00	1.00
#000000	1.49	21.00	1.00	21.00
##FFFFFF	14.05	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#032E5D

Deuteranopia (green-blind)

#00295A

Tritanopia (blue-blind)

#0A313C

Achromatopsia (no color)

#2C2C2C

Design tokens & code

CSS

--color: #25255b;
/* rgb */ color: rgb(37, 37, 91);
/* oklch */ color: oklch(29.8% 0.094 279.0);

Tailwind

colors: {
  custom: {
    50: '#655f8a',
    500: '#25255b',
    950: '#000000',
  },
}

SCSS

$custom: #25255b;
$custom-light: #655f8a;
$custom-dark: #000000;

JSON

{
  "hex": "#25255b",
  "rgb": {
    "r": 37,
    "g": 37,
    "b": 91
  },
  "hsl": {
    "h": 240,
    "s": 42.188,
    "l": 25.098
  },
  "oklch": {
    "l": 0.29836,
    "c": 0.09442,
    "h": 279
  },
  "luminance": 0.02472
}

Semantic roles & 50–950 ramp

primary

#25255B

secondary

#8E8E4D

accent

#D256D2

background

#F6F5F8

surface

#EBE9F0

border

#C6C5CB

text

#06040C

muted

#7A797D

Preview Lab

Preview with #25255B

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

Preview Lab → · Contrast checker → · Palette generator →