#25379B#25379B

#25379B is a dark, vivid blue. Relative luminance 0.055; OKLCH L 39.2% C 0.163 H 269.3°. Best body text is #FFFFFF at 10.01:1 contrast (WCAG AA passes).

Color values

HEX	#25379B
RGB	rgb(37, 55, 155)
HSL	hsl(231, 61%, 38%)
HSV	hsv(231, 76%, 61%)
CMYK	cmyk(76.1%, 64.5%, 0%, 39.2%)
CIE-LAB	lab(28.09, 29.47, -56.45)
CIE-LCH	lch(28.09, 63.68, 297.57°)
OKLab	oklab(39.17% -0.0021 -0.1632)
OKLCH	oklch(39.17% 0.163 269.3)
XYZ	xyz(8.0435, 5.4914, 31.6400)
Luminance	0.0549 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#25379B #9B8925

analogous

#25729B #25379B #4E259B

triadic

#25379B #9B2537 #379B25

tetradic

#25379B #9B2572 #9B8925 #259B4E

square

#25379B #9B2572 #9B8925 #259B4E

split-complementary

#25379B #9B4E25 #729B25

monochromatic

#0D1438 #19256A #25379B #3149CC #6173D9

Accessibility & contrast

On white

10.01

#25379B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.10

#25379B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #25379B

10.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##25379B	#FFFFFF	#000000	##FFFFFF
##25379B	1.00	10.01	2.10	10.01
#FFFFFF	10.01	1.00	21.00	1.00
#000000	2.10	21.00	1.00	21.00
##FFFFFF	10.01	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00489E

Deuteranopia (green-blind)

#003D99

Tritanopia (blue-blind)

#005164

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #25379b;
/* rgb */ color: rgb(37, 55, 155);
/* oklch */ color: oklch(39.2% 0.163 269.3);

Tailwind

colors: {
  custom: {
    50: '#726db9',
    500: '#25379b',
    950: '#000000',
  },
}

SCSS

$custom: #25379b;
$custom-light: #726db9;
$custom-dark: #000000;

JSON

{
  "hex": "#25379b",
  "rgb": {
    "r": 37,
    "g": 55,
    "b": 155
  },
  "hsl": {
    "h": 230.847,
    "s": 61.458,
    "l": 37.647
  },
  "oklch": {
    "l": 0.39169,
    "c": 0.16322,
    "h": 269.3
  },
  "luminance": 0.05492
}

Semantic roles & 50–950 ramp

primary

#25379B

secondary

#BFB05D

accent

#CC43E5

background

#F7F6FB

surface

#EDEBF6

border

#C8C6D0

text

#090712

muted

#7B7A81

Preview Lab

Preview with #25379B

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

Preview Lab → · Contrast checker → · Palette generator →