#25399A#25399A

#25399A is a dark, vivid blue. Relative luminance 0.057; OKLCH L 39.5% C 0.159 H 268.8°. Best body text is #FFFFFF at 9.86:1 contrast (WCAG AA passes).

Color values

HEX	#25399A
RGB	rgb(37, 57, 154)
HSL	hsl(230, 61%, 37%)
HSV	hsv(230, 76%, 60%)
CMYK	cmyk(76%, 63%, 0%, 39.6%)
CIE-LAB	lab(28.52, 27.76, -55.15)
CIE-LCH	lch(28.52, 61.74, 296.72°)
OKLab	oklab(39.46% -0.0034 -0.1594)
OKLCH	oklch(39.46% 0.159 268.8)
XYZ	xyz(8.0568, 5.6518, 31.2319)
Luminance	0.0565 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#25399A #9A8625

analogous

#25739A #25399A #4C259A

triadic

#25399A #9A2539 #399A25

tetradic

#25399A #9A2573 #9A8625 #259A4C

square

#25399A #9A2573 #9A8625 #259A4C

split-complementary

#25399A #9A4C25 #739A25

monochromatic

#0D1437 #192769 #25399A #314BCB #6075D9

Accessibility & contrast

On white

9.86

#25399A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.13

#25399A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #25399A

9.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##25399A	#FFFFFF	#000000	##FFFFFF
##25399A	1.00	9.86	2.13	9.86
#FFFFFF	9.86	1.00	21.00	1.00
#000000	2.13	21.00	1.00	21.00
##FFFFFF	9.86	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00499D

Deuteranopia (green-blind)

#003E98

Tritanopia (blue-blind)

#005264

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #25399a;
/* rgb */ color: rgb(37, 57, 154);
/* oklch */ color: oklch(39.5% 0.159 268.8);

Tailwind

colors: {
  custom: {
    50: '#726fb9',
    500: '#25399a',
    950: '#000000',
  },
}

SCSS

$custom: #25399a;
$custom-light: #726fb9;
$custom-dark: #000000;

JSON

{
  "hex": "#25399a",
  "rgb": {
    "r": 37,
    "g": 57,
    "b": 154
  },
  "hsl": {
    "h": 229.744,
    "s": 61.257,
    "l": 37.451
  },
  "oklch": {
    "l": 0.39456,
    "c": 0.1594,
    "h": 268.8
  },
  "luminance": 0.05653
}

Semantic roles & 50–950 ramp

primary

#25399A

secondary

#BEAD5D

accent

#C943E4

background

#F7F6FB

surface

#EDECF6

border

#C8C7D0

text

#090711

muted

#7B7A80

Preview Lab

Preview with #25399A

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

Preview Lab → · Contrast checker → · Palette generator →