#25399F#25399F

#25399F is a dark, vivid blue. Relative luminance 0.058; OKLCH L 39.9% C 0.166 H 268.8°. Best body text is #FFFFFF at 9.70:1 contrast (WCAG AA passes).

Color values

HEX	#25399F
RGB	rgb(37, 57, 159)
HSL	hsl(230, 62%, 38%)
HSV	hsv(230, 77%, 62%)
CMYK	cmyk(76.7%, 64.2%, 0%, 37.6%)
CIE-LAB	lab(28.96, 29.65, -57.46)
CIE-LCH	lch(28.96, 64.66, 297.29°)
OKLab	oklab(39.92% -0.0035 -0.1662)
OKLCH	oklch(39.92% 0.166 268.8)
XYZ	xyz(8.4819, 5.8218, 33.4709)
Luminance	0.0582 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#25399F #9F8B25

analogous

#25769F #25399F #4E259F

triadic

#25399F #9F2539 #399F25

tetradic

#25399F #9F2576 #9F8B25 #259F4E

square

#25399F #9F2576 #9F8B25 #259F4E

split-complementary

#25399F #9F4E25 #769F25

monochromatic

#0E153C #19276D #25399F #324CCF #6477DB

Accessibility & contrast

On white

9.70

#25399F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.16

#25399F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #25399F

9.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##25399F	#FFFFFF	#000000	##FFFFFF
##25399F	1.00	9.70	2.16	9.70
#FFFFFF	9.70	1.00	21.00	1.00
#000000	2.16	21.00	1.00	21.00
##FFFFFF	9.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004AA2

Deuteranopia (green-blind)

#003F9D

Tritanopia (blue-blind)

#005466

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #25399f;
/* rgb */ color: rgb(37, 57, 159);
/* oklch */ color: oklch(39.9% 0.166 268.8);

Tailwind

colors: {
  custom: {
    50: '#736fbc',
    500: '#25399f',
    950: '#000000',
  },
}

SCSS

$custom: #25399f;
$custom-light: #736fbc;
$custom-dark: #000000;

JSON

{
  "hex": "#25399f",
  "rgb": {
    "r": 37,
    "g": 57,
    "b": 159
  },
  "hsl": {
    "h": 230.164,
    "s": 62.245,
    "l": 38.431
  },
  "oklch": {
    "l": 0.39918,
    "c": 0.1662,
    "h": 268.8
  },
  "luminance": 0.05823
}

Semantic roles & 50–950 ramp

primary

#25399F

secondary

#C0B05F

accent

#CB42E5

background

#F7F6FB

surface

#EEECF7

border

#C9C7D0

text

#090712

muted

#7B7A81

Preview Lab

Preview with #25399F

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

Preview Lab → · Contrast checker → · Palette generator →