#191381#191381

#191381 is a dark, vivid blue. Relative luminance 0.023; OKLCH L 30.1% C 0.171 H 271.7°. Best body text is #FFFFFF at 14.47:1 contrast (WCAG AA passes).

Color values

HEX	#191381
RGB	rgb(25, 19, 129)
HSL	hsl(243, 74%, 29%)
HSV	hsv(243, 85%, 51%)
CMYK	cmyk(80.6%, 85.3%, 0%, 49.4%)
CIE-LAB	lab(16.78, 40.84, -58.96)
CIE-LCH	lch(16.78, 71.72, 304.71°)
OKLab	oklab(30.06% 0.0052 -0.1706)
OKLCH	oklch(30.06% 0.171 271.7)
XYZ	xyz(4.5949, 2.2569, 20.9581)
Luminance	0.0226 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#191381 #7B8113

analogous

#134481 #191381 #501381

triadic

#191381 #811913 #138119

tetradic

#191381 #811344 #7B8113 #138150

square

#191381 #811344 #7B8113 #138150

split-complementary

#191381 #815013 #448113

monochromatic

#05041B #0F0B4C #191381 #231BB6 #382EE0

Accessibility & contrast

On white

14.47

#191381 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.45

#191381 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #191381

14.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##191381	#FFFFFF	#000000	##FFFFFF
##191381	1.00	14.47	1.45	14.47
#FFFFFF	14.47	1.00	21.00	1.00
#000000	1.45	21.00	1.00	21.00
##FFFFFF	14.47	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002F84

Deuteranopia (green-blind)

#00247F

Tritanopia (blue-blind)

#00374B

Achromatopsia (no color)

#292929

Design tokens & code

CSS

--color: #191381;
/* rgb */ color: rgb(25, 19, 129);
/* oklch */ color: oklch(30.1% 0.171 271.7);

Tailwind

colors: {
  custom: {
    50: '#6b55a7',
    500: '#191381',
    950: '#000000',
  },
}

SCSS

$custom: #191381;
$custom-light: #6b55a7;
$custom-dark: #000000;

JSON

{
  "hex": "#191381",
  "rgb": {
    "r": 25,
    "g": 19,
    "b": 129
  },
  "hsl": {
    "h": 243.273,
    "s": 74.324,
    "l": 29.02
  },
  "oklch": {
    "l": 0.30062,
    "c": 0.17067,
    "h": 271.7
  },
  "luminance": 0.02257
}

Semantic roles & 50–950 ramp

primary

#191381

secondary

#AFB63A

accent

#F137E7

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#080310

muted

#7B787F

Preview Lab

Preview with #191381

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

Preview Lab → · Contrast checker → · Palette generator →