#191581#191581

#191581 is a dark, vivid blue. Relative luminance 0.023; OKLCH L 30.3% C 0.169 H 271.6°. Best body text is #FFFFFF at 14.33:1 contrast (WCAG AA passes).

Color values

HEX	#191581
RGB	rgb(25, 21, 129)
HSL	hsl(242, 72%, 29%)
HSV	hsv(242, 84%, 51%)
CMYK	cmyk(80.6%, 83.7%, 0%, 49.4%)
CIE-LAB	lab(17.12, 39.85, -58.39)
CIE-LCH	lch(17.12, 70.70, 304.31°)
OKLab	oklab(30.3% 0.0047 -0.169)
OKLCH	oklch(30.3% 0.169 271.6)
XYZ	xyz(4.6302, 2.3275, 20.9698)
Luminance	0.0233 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#191581 #7D8115

analogous

#154781 #191581 #4F1581

triadic

#191581 #811915 #158119

tetradic

#191581 #811547 #7D8115 #15814F

square

#191581 #811547 #7D8115 #15814F

split-complementary

#191581 #814F15 #478115

monochromatic

#05041A #0F0C4C #191581 #231EB6 #3933DE

Accessibility & contrast

On white

14.33

#191581 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.47

#191581 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #191581

14.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##191581	#FFFFFF	#000000	##FFFFFF
##191581	1.00	14.33	1.47	14.33
#FFFFFF	14.33	1.00	21.00	1.00
#000000	1.47	21.00	1.00	21.00
##FFFFFF	14.33	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002F84

Deuteranopia (green-blind)

#00257F

Tritanopia (blue-blind)

#00374C

Achromatopsia (no color)

#2A2A2A

Design tokens & code

CSS

--color: #191581;
/* rgb */ color: rgb(25, 21, 129);
/* oklch */ color: oklch(30.3% 0.169 271.6);

Tailwind

colors: {
  custom: {
    50: '#6b56a7',
    500: '#191581',
    950: '#000000',
  },
}

SCSS

$custom: #191581;
$custom-light: #6b56a7;
$custom-dark: #000000;

JSON

{
  "hex": "#191581",
  "rgb": {
    "r": 25,
    "g": 21,
    "b": 129
  },
  "hsl": {
    "h": 242.222,
    "s": 72,
    "l": 29.412
  },
  "oklch": {
    "l": 0.30296,
    "c": 0.16907,
    "h": 271.6
  },
  "luminance": 0.02328
}

Semantic roles & 50–950 ramp

primary

#191581

secondary

#B1B63C

accent

#EF39E8

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#080310

muted

#7B787F

Preview Lab

Preview with #191581

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

Preview Lab → · Contrast checker → · Palette generator →