#6421B0#6421B0

#6421B0 is a dark, highly saturated violet. Relative luminance 0.069; OKLCH L 43.7% C 0.205 H 298.3°. Best body text is #FFFFFF at 8.80:1 contrast (WCAG AA passes).

Color values

HEX	#6421B0
RGB	rgb(100, 33, 176)
HSL	hsl(268, 68%, 41%)
HSV	hsv(268, 81%, 69%)
CMYK	cmyk(43.2%, 81.3%, 0%, 31%)
CIE-LAB	lab(31.65, 56.35, -63.07)
CIE-LCH	lch(31.65, 84.57, 311.78°)
OKLab	oklab(43.67% 0.0973 -0.1806)
OKLCH	oklch(43.67% 0.205 298.3)
XYZ	xyz(13.6338, 6.9314, 41.6855)
Luminance	0.0693 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6421B0 #6DB021

analogous

#2125B0 #6421B0 #AB21B0

triadic

#6421B0 #B06421 #21B064

tetradic

#6421B0 #B02125 #6DB021 #21B0AB

square

#6421B0 #B02125 #6DB021 #21B0AB

split-complementary

#6421B0 #B0AB21 #25B021

monochromatic

#290E49 #47177C #6421B0 #8235D9 #A269E3

Accessibility & contrast

On white

8.80

#6421B0 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.39

#6421B0 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #6421B0

8.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6421B0	#FFFFFF	#000000	##FFFFFF
##6421B0	1.00	8.80	2.39	8.80
#FFFFFF	8.80	1.00	21.00	1.00
#000000	2.39	21.00	1.00	21.00
##FFFFFF	8.80	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004BB4

Deuteranopia (green-blind)

#0049AD

Tritanopia (blue-blind)

#504A6A

Achromatopsia (no color)

#4A4A4A

Design tokens & code

CSS

--color: #6421b0;
/* rgb */ color: rgb(100, 33, 176);
/* oklch */ color: oklch(43.7% 0.205 298.3);

Tailwind

colors: {
  custom: {
    50: '#9866c9',
    500: '#6421b0',
    950: '#000000',
  },
}

SCSS

$custom: #6421b0;
$custom-light: #9866c9;
$custom-dark: #000000;

JSON

{
  "hex": "#6421b0",
  "rgb": {
    "r": 100,
    "g": 33,
    "b": 176
  },
  "hsl": {
    "h": 268.112,
    "s": 68.421,
    "l": 40.98
  },
  "oklch": {
    "l": 0.43666,
    "c": 0.20513,
    "h": 298.3
  },
  "luminance": 0.06932
}

Semantic roles & 50–950 ramp

primary

#6421B0

secondary

#9AC864

accent

#EB3D99

background

#F9F6FC

surface

#F2EBF8

border

#CCC6D1

text

#0F0613

muted

#7E7A82

Preview Lab

Preview with #6421B0

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

Preview Lab → · Contrast checker → · Palette generator →