#25308A#25308A

#25308A is a dark, vivid blue. Relative luminance 0.043; OKLCH L 36.3% C 0.149 H 271.4°. Best body text is #FFFFFF at 11.24:1 contrast (WCAG AA passes).

Color values

HEX	#25308A
RGB	rgb(37, 48, 138)
HSL	hsl(233, 58%, 34%)
HSV	hsv(233, 73%, 54%)
CMYK	cmyk(73.2%, 65.2%, 0%, 45.9%)
CIE-LAB	lab(24.77, 27.74, -51.42)
CIE-LCH	lch(24.77, 58.43, 298.35°)
OKLab	oklab(36.25% 0.0035 -0.1485)
OKLCH	oklch(36.25% 0.149 271.4)
XYZ	xyz(6.4058, 4.3416, 24.5402)
Luminance	0.0434 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#25308A #8A7F25

analogous

#25638A #25308A #4D258A

triadic

#25308A #8A2530 #308A25

tetradic

#25308A #8A2563 #8A7F25 #258A4D

square

#25308A #8A2563 #8A7F25 #258A4D

split-complementary

#25308A #8A4D25 #638A25

monochromatic

#0B0E29 #181F5A #25308A #3241BA #5765D2

Accessibility & contrast

On white

11.24

#25308A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.87

#25308A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #25308A

11.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##25308A	#FFFFFF	#000000	##FFFFFF
##25308A	1.00	11.24	1.87	11.24
#FFFFFF	11.24	1.00	21.00	1.00
#000000	1.87	21.00	1.00	21.00
##FFFFFF	11.24	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00408D

Deuteranopia (green-blind)

#003688

Tritanopia (blue-blind)

#004758

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #25308a;
/* rgb */ color: rgb(37, 48, 138);
/* oklch */ color: oklch(36.3% 0.149 271.4);

Tailwind

colors: {
  custom: {
    50: '#6f68ad',
    500: '#25308a',
    950: '#000000',
  },
}

SCSS

$custom: #25308a;
$custom-light: #6f68ad;
$custom-dark: #000000;

JSON

{
  "hex": "#25308a",
  "rgb": {
    "r": 37,
    "g": 48,
    "b": 138
  },
  "hsl": {
    "h": 233.465,
    "s": 57.714,
    "l": 34.314
  },
  "oklch": {
    "l": 0.36254,
    "c": 0.14856,
    "h": 271.4
  },
  "luminance": 0.04342
}

Semantic roles & 50–950 ramp

primary

#25308A

secondary

#B7AC54

accent

#D047E1

background

#F7F6FA

surface

#EDEBF4

border

#C8C6CE

text

#080610

muted

#7B7A7F

Preview Lab

Preview with #25308A

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

Preview Lab → · Contrast checker → · Palette generator →