#421B76#421B76

#421B76 is a dark, vivid violet. Relative luminance 0.033; OKLCH L 33.6% C 0.145 H 297.5°. Best body text is #FFFFFF at 12.73:1 contrast (WCAG AA passes).

Color values

HEX	#421B76
RGB	rgb(66, 27, 118)
HSL	hsl(266, 63%, 28%)
HSV	hsv(266, 77%, 46%)
CMYK	cmyk(44.1%, 77.1%, 0%, 53.7%)
CIE-LAB	lab(21.02, 38.50, -44.82)
CIE-LCH	lch(21.02, 59.08, 310.66°)
OKLab	oklab(33.64% 0.0667 -0.1282)
OKLCH	oklch(33.64% 0.145 297.5)
XYZ	xyz(5.9079, 3.2500, 17.4521)
Luminance	0.0325 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Indigo

#4B0082

ΔE00 4.21

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#421B76 #4F761B

analogous

#1B2176 #421B76 #6F1B76

triadic

#421B76 #76421B #1B7642

tetradic

#421B76 #761B21 #4F761B #1B766F

square

#421B76 #761B21 #4F761B #1B766F

split-complementary

#421B76 #766F1B #21761B

monochromatic

#0E0619 #261044 #421B76 #5E26A8 #7B3AD2

Accessibility & contrast

On white

12.73

#421B76 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.65

#421B76 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #421B76

12.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##421B76	#FFFFFF	#000000	##FFFFFF
##421B76	1.00	12.73	1.65	12.73
#FFFFFF	12.73	1.00	21.00	1.00
#000000	1.65	21.00	1.00	21.00
##FFFFFF	12.73	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003379

Deuteranopia (green-blind)

#003174

Tritanopia (blue-blind)

#353347

Achromatopsia (no color)

#333333

Design tokens & code

CSS

--color: #421b76;
/* rgb */ color: rgb(66, 27, 118);
/* oklch */ color: oklch(33.6% 0.145 297.5);

Tailwind

colors: {
  custom: {
    50: '#7c5c9e',
    500: '#421b76',
    950: '#000000',
  },
}

SCSS

$custom: #421b76;
$custom-light: #7c5c9e;
$custom-dark: #000000;

JSON

{
  "hex": "#421b76",
  "rgb": {
    "r": 66,
    "g": 27,
    "b": 118
  },
  "hsl": {
    "h": 265.714,
    "s": 62.759,
    "l": 28.431
  },
  "oklch": {
    "l": 0.33641,
    "c": 0.14452,
    "h": 297.5
  },
  "luminance": 0.0325
}

Semantic roles & 50–950 ramp

primary

#421B76

secondary

#7EAA42

accent

#E642A0

background

#F7F5F9

surface

#EEE9F2

border

#C9C5CC

text

#0A040E

muted

#7C797E

Preview Lab

Preview with #421B76

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

Preview Lab → · Contrast checker → · Palette generator →