#25379A#25379A

#25379A is a dark, vivid blue. Relative luminance 0.055; OKLCH L 39.1% C 0.162 H 269.3°. Best body text is #FFFFFF at 10.04:1 contrast (WCAG AA passes).

Color values

HEX#25379A
RGBrgb(37, 55, 154)
HSLhsl(231, 61%, 37%)
HSVhsv(231, 76%, 60%)
CMYKcmyk(76%, 64.3%, 0%, 39.6%)
CIE-LABlab(28.00, 29.09, -55.99)
CIE-LCHlch(28.00, 63.10, 297.46°)
OKLaboklab(39.08% -0.0021 -0.1618)
OKLCHoklch(39.08% 0.162 269.3)
XYZxyz(7.9599, 5.4579, 31.1996)
Luminance0.0546 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#25379A #9A8825
analogous
#25729A #25379A #4D259A
triadic
#25379A #9A2537 #379A25
tetradic
#25379A #9A2572 #9A8825 #259A4D
square
#25379A #9A2572 #9A8825 #259A4D
split-complementary
#25379A #9A4D25 #729A25
monochromatic
#0D1437 #192569 #25379A #3149CB #6073D9

Accessibility & contrast

On white

10.04
#25379A on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.09
#25379A on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #25379A
10.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##25379A#FFFFFF#000000##FFFFFF
##25379A1.0010.042.0910.04
#FFFFFF10.041.0021.001.00
#0000002.0921.001.0021.00
##FFFFFF10.041.0021.001.00

Color blindness preview

Protanopia (red-blind)
#00489D
Deuteranopia (green-blind)
#003D98
Tritanopia (blue-blind)
#005163
Achromatopsia (no color)
#424242

Design tokens & code

CSS
--color: #25379a;
/* rgb */ color: rgb(37, 55, 154);
/* oklch */ color: oklch(39.1% 0.162 269.3);
Tailwind
colors: {
  custom: {
    50: '#726db9',
    500: '#25379a',
    950: '#000000',
  },
}
SCSS
$custom: #25379a;
$custom-light: #726db9;
$custom-dark: #000000;
JSON
{
  "hex": "#25379a",
  "rgb": {
    "r": 37,
    "g": 55,
    "b": 154
  },
  "hsl": {
    "h": 230.769,
    "s": 61.257,
    "l": 37.451
  },
  "oklch": {
    "l": 0.39076,
    "c": 0.16186,
    "h": 269.3
  },
  "luminance": 0.05459
}

Semantic roles & 50–950 ramp

primary
#25379A
secondary
#BEAF5D
accent
#CC43E4
background
#F7F6FB
surface
#EDEBF6
border
#C8C6D0
text
#090711
muted
#7B7A80

Preview Lab

Preview with #25379A

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

Preview Lab → · Contrast checker → · Palette generator →

#25379A Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva