#421EBC#421EBC

#421EBC is a dark, highly saturated violet. Relative luminance 0.057; OKLCH L 41.1% C 0.221 H 281.0°. Best body text is #FFFFFF at 9.80:1 contrast (WCAG AA passes).

Color values

HEX	#421EBC
RGB	rgb(66, 30, 188)
HSL	hsl(254, 72%, 43%)
HSV	hsv(254, 84%, 74%)
CMYK	cmyk(64.9%, 84%, 0%, 26.3%)
CIE-LAB	lab(28.69, 56.72, -75.22)
CIE-LCH	lch(28.69, 94.21, 307.02°)
OKLab	oklab(41.12% 0.042 -0.2171)
OKLCH	oklch(41.12% 0.221 281)
XYZ	xyz(11.7853, 5.7167, 48.0496)
Luminance	0.0572 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#421EBC #98BC1E

analogous

#1E49BC #421EBC #911EBC

triadic

#421EBC #BC421E #1EBC42

tetradic

#421EBC #BC1E49 #98BC1E #1EBC91

square

#421EBC #BC1E49 #98BC1E #1EBC91

split-complementary

#421EBC #BC911E #49BC1E

monochromatic

#1D0D52 #2F1687 #421EBC #5E38DF #896DE8

Accessibility & contrast

On white

9.80

#421EBC on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.14

#421EBC on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #421EBC

9.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##421EBC	#FFFFFF	#000000	##FFFFFF
##421EBC	1.00	9.80	2.14	9.80
#FFFFFF	9.80	1.00	21.00	1.00
#000000	2.14	21.00	1.00	21.00
##FFFFFF	9.80	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0049C0

Deuteranopia (green-blind)

#003EB9

Tritanopia (blue-blind)

#005170

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #421ebc;
/* rgb */ color: rgb(66, 30, 188);
/* oklch */ color: oklch(41.1% 0.221 281.0);

Tailwind

colors: {
  custom: {
    50: '#8862d2',
    500: '#421ebc',
    950: '#000000',
  },
}

SCSS

$custom: #421ebc;
$custom-light: #8862d2;
$custom-dark: #000000;

JSON

{
  "hex": "#421ebc",
  "rgb": {
    "r": 66,
    "g": 30,
    "b": 188
  },
  "hsl": {
    "h": 253.671,
    "s": 72.477,
    "l": 42.745
  },
  "oklch": {
    "l": 0.41115,
    "c": 0.22111,
    "h": 281
  },
  "luminance": 0.05718
}

Semantic roles & 50–950 ramp

primary

#421EBC

secondary

#B7CE68

accent

#EF39C6

background

#F9F6FD

surface

#F1EBFA

border

#CBC6D3

text

#0D0514

muted

#7E7A83

Preview Lab

Preview with #421EBC

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

Preview Lab → · Contrast checker → · Palette generator →