#421D74#421D74

#421D74 is a dark, vivid violet. Relative luminance 0.033; OKLCH L 33.7% C 0.140 H 297.8°. Best body text is #FFFFFF at 12.65:1 contrast (WCAG AA passes).

Color values

HEX	#421D74
RGB	rgb(66, 29, 116)
HSL	hsl(266, 60%, 28%)
HSV	hsv(266, 75%, 45%)
CMYK	cmyk(43.1%, 75%, 0%, 54.5%)
CIE-LAB	lab(21.20, 36.93, -43.24)
CIE-LCH	lch(21.20, 56.86, 310.50°)
OKLab	oklab(33.71% 0.0652 -0.1236)
OKLCH	oklch(33.71% 0.14 297.8)
XYZ	xyz(5.8377, 3.2978, 16.8486)
Luminance	0.0330 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Indigo

#4B0082

ΔE00 4.77

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#421D74 #4F741D

analogous

#1D2374 #421D74 #6D1D74

triadic

#421D74 #74421D #1D7442

tetradic

#421D74 #741D23 #4F741D #1D746D

square

#421D74 #741D23 #4F741D #1D746D

split-complementary

#421D74 #746D1D #23741D

monochromatic

#0E0618 #261143 #421D74 #5E29A5 #7B3DCE

Accessibility & contrast

On white

12.65

#421D74 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.66

#421D74 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #421D74

12.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##421D74	#FFFFFF	#000000	##FFFFFF
##421D74	1.00	12.65	1.66	12.65
#FFFFFF	12.65	1.00	21.00	1.00
#000000	1.66	21.00	1.00	21.00
##FFFFFF	12.65	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003377

Deuteranopia (green-blind)

#003272

Tritanopia (blue-blind)

#353346

Achromatopsia (no color)

#333333

Design tokens & code

CSS

--color: #421d74;
/* rgb */ color: rgb(66, 29, 116);
/* oklch */ color: oklch(33.7% 0.140 297.8);

Tailwind

colors: {
  custom: {
    50: '#7c5d9d',
    500: '#421d74',
    950: '#000000',
  },
}

SCSS

$custom: #421d74;
$custom-light: #7c5d9d;
$custom-dark: #000000;

JSON

{
  "hex": "#421d74",
  "rgb": {
    "r": 66,
    "g": 29,
    "b": 116
  },
  "hsl": {
    "h": 265.517,
    "s": 60,
    "l": 28.431
  },
  "oklch": {
    "l": 0.33713,
    "c": 0.1397,
    "h": 297.8
  },
  "luminance": 0.03298
}

Semantic roles & 50–950 ramp

primary

#421D74

secondary

#7EA845

accent

#E345A0

background

#F7F5F9

surface

#EEE9F2

border

#C9C5CC

text

#0A040E

muted

#7C797E

Preview Lab

Preview with #421D74

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

Preview Lab → · Contrast checker → · Palette generator →