#421DA8#421DA8

#421DA8 is a dark, vivid violet. Relative luminance 0.049; OKLCH L 38.9% C 0.200 H 284.3°. Best body text is #FFFFFF at 10.64:1 contrast (WCAG AA passes).

Color values

HEX	#421DA8
RGB	rgb(66, 29, 168)
HSL	hsl(256, 71%, 39%)
HSV	hsv(256, 83%, 66%)
CMYK	cmyk(60.7%, 82.7%, 0%, 34.1%)
CIE-LAB	lab(26.34, 51.56, -67.14)
CIE-LCH	lch(26.34, 84.66, 307.52°)
OKLab	oklab(38.86% 0.0495 -0.1935)
OKLCH	oklch(38.86% 0.2 284.3)
XYZ	xyz(9.7518, 4.8635, 37.4631)
Luminance	0.0486 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#421DA8 #83A81D

analogous

#1D3DA8 #421DA8 #871DA8

triadic

#421DA8 #A8421D #1DA842

tetradic

#421DA8 #A81D3D #83A81D #1DA887

square

#421DA8 #A81D3D #83A81D #1DA887

split-complementary

#421DA8 #A8871D #3DA81D

monochromatic

#190B40 #2D1474 #421DA8 #5828DA #805CE3

Accessibility & contrast

On white

10.64

#421DA8 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.97

#421DA8 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #421DA8

10.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##421DA8	#FFFFFF	#000000	##FFFFFF
##421DA8	1.00	10.64	1.97	10.64
#FFFFFF	10.64	1.00	21.00	1.00
#000000	1.97	21.00	1.00	21.00
##FFFFFF	10.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0042AC

Deuteranopia (green-blind)

#003AA6

Tritanopia (blue-blind)

#004864

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #421da8;
/* rgb */ color: rgb(66, 29, 168);
/* oklch */ color: oklch(38.9% 0.200 284.3);

Tailwind

colors: {
  custom: {
    50: '#8460c3',
    500: '#421da8',
    950: '#000000',
  },
}

SCSS

$custom: #421da8;
$custom-light: #8460c3;
$custom-dark: #000000;

JSON

{
  "hex": "#421da8",
  "rgb": {
    "r": 66,
    "g": 29,
    "b": 168
  },
  "hsl": {
    "h": 255.971,
    "s": 70.558,
    "l": 38.627
  },
  "oklch": {
    "l": 0.38857,
    "c": 0.19976,
    "h": 284.3
  },
  "luminance": 0.04864
}

Semantic roles & 50–950 ramp

primary

#421DA8

secondary

#AAC75A

accent

#ED3ABE

background

#F8F5FC

surface

#F0EAF8

border

#CBC6D1

text

#0C0513

muted

#7D7982

Preview Lab

Preview with #421DA8

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

Preview Lab → · Contrast checker → · Palette generator →