#421C9F#421C9F

#421C9F is a dark, vivid violet. Relative luminance 0.045; OKLCH L 37.8% C 0.190 H 286.2°. Best body text is #FFFFFF at 11.06:1 contrast (WCAG AA passes).

Color values

HEX	#421C9F
RGB	rgb(66, 28, 159)
HSL	hsl(257, 70%, 37%)
HSV	hsv(257, 82%, 62%)
CMYK	cmyk(58.5%, 82.4%, 0%, 37.6%)
CIE-LAB	lab(25.23, 49.47, -63.51)
CIE-LCH	lch(25.23, 80.50, 307.92°)
OKLab	oklab(37.81% 0.0532 -0.1829)
OKLCH	oklch(37.81% 0.19 286.2)
XYZ	xyz(8.9181, 4.4914, 33.1912)
Luminance	0.0449 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#421C9F #799F1C

analogous

#1C379F #421C9F #841C9F

triadic

#421C9F #9F421C #1C9F42

tetradic

#421C9F #9F1C37 #799F1C #1C9F84

square

#421C9F #9F1C37 #799F1C #1C9F84

split-complementary

#421C9F #9F841C #379F1C

monochromatic

#170A37 #2C136B #421C9F #5825D3 #7D54E1

Accessibility & contrast

On white

11.06

#421C9F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.90

#421C9F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #421C9F

11.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##421C9F	#FFFFFF	#000000	##FFFFFF
##421C9F	1.00	11.06	1.90	11.06
#FFFFFF	11.06	1.00	21.00	1.00
#000000	1.90	21.00	1.00	21.00
##FFFFFF	11.06	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003FA3

Deuteranopia (green-blind)

#00389D

Tritanopia (blue-blind)

#11445F

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #421c9f;
/* rgb */ color: rgb(66, 28, 159);
/* oklch */ color: oklch(37.8% 0.190 286.2);

Tailwind

colors: {
  custom: {
    50: '#825fbd',
    500: '#421c9f',
    950: '#000000',
  },
}

SCSS

$custom: #421c9f;
$custom-light: #825fbd;
$custom-dark: #000000;

JSON

{
  "hex": "#421c9f",
  "rgb": {
    "r": 66,
    "g": 28,
    "b": 159
  },
  "hsl": {
    "h": 257.405,
    "s": 70.053,
    "l": 36.667
  },
  "oklch": {
    "l": 0.37807,
    "c": 0.19049,
    "h": 286.2
  },
  "luminance": 0.04492
}

Semantic roles & 50–950 ramp

primary

#421C9F

secondary

#A3C453

accent

#ED3BB9

background

#F8F5FB

surface

#F0E9F7

border

#CBC5D0

text

#0C0512

muted

#7D7981

Preview Lab

Preview with #421C9F

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

Preview Lab → · Contrast checker → · Palette generator →