#501BB4#501BB4

#501BB4 is a dark, highly saturated violet. Relative luminance 0.058; OKLCH L 41.3% C 0.213 H 288.7°. Best body text is #FFFFFF at 9.74:1 contrast (WCAG AA passes).

Color values

HEX	#501BB4
RGB	rgb(80, 27, 180)
HSL	hsl(261, 74%, 41%)
HSV	hsv(261, 85%, 71%)
CMYK	cmyk(55.6%, 85%, 0%, 29.4%)
CIE-LAB	lab(28.86, 57.02, -70.13)
CIE-LCH	lch(28.86, 90.39, 309.11°)
OKLab	oklab(41.32% 0.0683 -0.2018)
OKLCH	oklch(41.32% 0.213 288.7)
XYZ	xyz(11.9360, 5.7840, 43.6587)
Luminance	0.0578 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#501BB4 #7FB41B

analogous

#1B33B4 #501BB4 #9C1BB4

triadic

#501BB4 #B4501B #1BB450

tetradic

#501BB4 #B41B33 #7FB41B #1BB49C

square

#501BB4 #B41B33 #7FB41B #1BB49C

split-complementary

#501BB4 #B49C1B #33B41B

monochromatic

#210B4A #38137F #501BB4 #6B2DDF #9062E7

Accessibility & contrast

On white

9.74

#501BB4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.16

#501BB4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #501BB4

9.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##501BB4	#FFFFFF	#000000	##FFFFFF
##501BB4	1.00	9.74	2.16	9.74
#FFFFFF	9.74	1.00	21.00	1.00
#000000	2.16	21.00	1.00	21.00
##FFFFFF	9.74	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0047B8

Deuteranopia (green-blind)

#0040B1

Tritanopia (blue-blind)

#254B6B

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #501bb4;
/* rgb */ color: rgb(80, 27, 180);
/* oklch */ color: oklch(41.3% 0.213 288.7);

Tailwind

colors: {
  custom: {
    50: '#8d61cc',
    500: '#501bb4',
    950: '#000000',
  },
}

SCSS

$custom: #501bb4;
$custom-light: #8d61cc;
$custom-dark: #000000;

JSON

{
  "hex": "#501bb4",
  "rgb": {
    "r": 80,
    "g": 27,
    "b": 180
  },
  "hsl": {
    "h": 260.784,
    "s": 73.913,
    "l": 40.588
  },
  "oklch": {
    "l": 0.41317,
    "c": 0.21309,
    "h": 288.7
  },
  "luminance": 0.05785
}

Semantic roles & 50–950 ramp

primary

#501BB4

secondary

#A6CC5F

accent

#F137B0

background

#F9F6FC

surface

#F2EBF9

border

#CCC6D2

text

#0E0514

muted

#7E7A82

Preview Lab

Preview with #501BB4

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

Preview Lab → · Contrast checker → · Palette generator →