#421F9C#421F9C

#421F9C is a dark, vivid violet. Relative luminance 0.045; OKLCH L 37.8% C 0.184 H 286.5°. Best body text is #FFFFFF at 11.01:1 contrast (WCAG AA passes).

Color values

HEX	#421F9C
RGB	rgb(66, 31, 156)
HSL	hsl(257, 67%, 37%)
HSV	hsv(257, 80%, 61%)
CMYK	cmyk(57.7%, 80.1%, 0%, 38.8%)
CIE-LAB	lab(25.38, 47.30, -61.44)
CIE-LCH	lch(25.38, 77.54, 307.59°)
OKLab	oklab(37.81% 0.0523 -0.1769)
OKLCH	oklch(37.81% 0.185 286.5)
XYZ	xyz(8.7357, 4.5380, 31.8617)
Luminance	0.0454 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#421F9C #799C1F

analogous

#1F3B9C #421F9C #811F9C

triadic

#421F9C #9C421F #1F9C42

tetradic

#421F9C #9C1F3B #799C1F #1F9C81

square

#421F9C #9C1F3B #799C1F #1F9C81

split-complementary

#421F9C #9C811F #3B9C1F

monochromatic

#170B36 #2C1569 #421F9C #5829CF #7D58DE

Accessibility & contrast

On white

11.01

#421F9C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.91

#421F9C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #421F9C

11.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##421F9C	#FFFFFF	#000000	##FFFFFF
##421F9C	1.00	11.01	1.91	11.01
#FFFFFF	11.01	1.00	21.00	1.00
#000000	1.91	21.00	1.00	21.00
##FFFFFF	11.01	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003F9F

Deuteranopia (green-blind)

#00399A

Tritanopia (blue-blind)

#16445E

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #421f9c;
/* rgb */ color: rgb(66, 31, 156);
/* oklch */ color: oklch(37.8% 0.184 286.5);

Tailwind

colors: {
  custom: {
    50: '#8260ba',
    500: '#421f9c',
    950: '#000000',
  },
}

SCSS

$custom: #421f9c;
$custom-light: #8260ba;
$custom-dark: #000000;

JSON

{
  "hex": "#421f9c",
  "rgb": {
    "r": 66,
    "g": 31,
    "b": 156
  },
  "hsl": {
    "h": 256.8,
    "s": 66.845,
    "l": 36.667
  },
  "oklch": {
    "l": 0.37811,
    "c": 0.1845,
    "h": 286.5
  },
  "luminance": 0.04539
}

Semantic roles & 50–950 ramp

primary

#421F9C

secondary

#A3C155

accent

#EA3EBA

background

#F8F5FB

surface

#F0EAF6

border

#CBC6D0

text

#0C0512

muted

#7D7981

Preview Lab

Preview with #421F9C

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

Preview Lab → · Contrast checker → · Palette generator →