#25358B#25358B

#25358B is a dark, vivid blue. Relative luminance 0.048; OKLCH L 37.3% C 0.144 H 269.9°. Best body text is #FFFFFF at 10.71:1 contrast (WCAG AA passes).

Color values

HEX	#25358B
RGB	rgb(37, 53, 139)
HSL	hsl(231, 58%, 35%)
HSV	hsv(231, 73%, 55%)
CMYK	cmyk(73.4%, 61.9%, 0%, 45.5%)
CIE-LAB	lab(26.17, 24.74, -49.76)
CIE-LCH	lch(26.17, 55.57, 296.44°)
OKLab	oklab(37.31% -0.0003 -0.1436)
OKLCH	oklch(37.31% 0.144 269.9)
XYZ	xyz(6.6947, 4.8029, 24.9953)
Luminance	0.0480 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#25358B #8B7B25

analogous

#25688B #25358B #48258B

triadic

#25358B #8B2535 #358B25

tetradic

#25358B #8B2568 #8B7B25 #258B48

square

#25358B #8B2568 #8B7B25 #258B48

split-complementary

#25358B #8B4825 #688B25

monochromatic

#0B102A #18235B #25358B #3247BB #586BD3

Accessibility & contrast

On white

10.71

#25358B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.96

#25358B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #25358B

10.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##25358B	#FFFFFF	#000000	##FFFFFF
##25358B	1.00	10.71	1.96	10.71
#FFFFFF	10.71	1.00	21.00	1.00
#000000	1.96	21.00	1.00	21.00
##FFFFFF	10.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00438E

Deuteranopia (green-blind)

#003989

Tritanopia (blue-blind)

#004B5A

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #25358b;
/* rgb */ color: rgb(37, 53, 139);
/* oklch */ color: oklch(37.3% 0.144 269.9);

Tailwind

colors: {
  custom: {
    50: '#6f6cae',
    500: '#25358b',
    950: '#000000',
  },
}

SCSS

$custom: #25358b;
$custom-light: #6f6cae;
$custom-dark: #000000;

JSON

{
  "hex": "#25358b",
  "rgb": {
    "r": 37,
    "g": 53,
    "b": 139
  },
  "hsl": {
    "h": 230.588,
    "s": 57.955,
    "l": 34.51
  },
  "oklch": {
    "l": 0.37312,
    "c": 0.14361,
    "h": 269.9
  },
  "luminance": 0.04804
}

Semantic roles & 50–950 ramp

primary

#25358B

secondary

#B7A855

accent

#C947E1

background

#F7F6FA

surface

#EDEBF4

border

#C8C6CE

text

#080610

muted

#7B7A7F

Preview Lab

Preview with #25358B

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

Preview Lab → · Contrast checker → · Palette generator →