#421F9D#421F9D

#421F9D is a dark, vivid violet. Relative luminance 0.046; OKLCH L 37.9% C 0.186 H 286.3°. Best body text is #FFFFFF at 10.97:1 contrast (WCAG AA passes).

Color values

HEX	#421F9D
RGB	rgb(66, 31, 157)
HSL	hsl(257, 67%, 37%)
HSV	hsv(257, 80%, 62%)
CMYK	cmyk(58%, 80.3%, 0%, 38.4%)
CIE-LAB	lab(25.48, 47.59, -61.88)
CIE-LCH	lch(25.48, 78.06, 307.56°)
OKLab	oklab(37.91% 0.052 -0.1782)
OKLCH	oklch(37.91% 0.186 286.3)
XYZ	xyz(8.8207, 4.5720, 32.3094)
Luminance	0.0457 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#421F9D #7A9D1F

analogous

#1F3B9D #421F9D #811F9D

triadic

#421F9D #9D421F #1F9D42

tetradic

#421F9D #9D1F3B #7A9D1F #1F9D81

square

#421F9D #9D1F3B #7A9D1F #1F9D81

split-complementary

#421F9D #9D811F #3B9D1F

monochromatic

#170B37 #2D156A #421F9D #5729D0 #7D58DE

Accessibility & contrast

On white

10.97

#421F9D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.91

#421F9D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #421F9D

10.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##421F9D	#FFFFFF	#000000	##FFFFFF
##421F9D	1.00	10.97	1.91	10.97
#FFFFFF	10.97	1.00	21.00	1.00
#000000	1.91	21.00	1.00	21.00
##FFFFFF	10.97	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003FA0

Deuteranopia (green-blind)

#00399B

Tritanopia (blue-blind)

#14445E

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #421f9d;
/* rgb */ color: rgb(66, 31, 157);
/* oklch */ color: oklch(37.9% 0.186 286.3);

Tailwind

colors: {
  custom: {
    50: '#8260bb',
    500: '#421f9d',
    950: '#000000',
  },
}

SCSS

$custom: #421f9d;
$custom-light: #8260bb;
$custom-dark: #000000;

JSON

{
  "hex": "#421f9d",
  "rgb": {
    "r": 66,
    "g": 31,
    "b": 157
  },
  "hsl": {
    "h": 256.667,
    "s": 67.021,
    "l": 36.863
  },
  "oklch": {
    "l": 0.37914,
    "c": 0.18564,
    "h": 286.3
  },
  "luminance": 0.04573
}

Semantic roles & 50–950 ramp

primary

#421F9D

secondary

#A4C256

accent

#EA3EBA

background

#F8F5FB

surface

#F0EAF6

border

#CBC6D0

text

#0C0512

muted

#7D7981

Preview Lab

Preview with #421F9D

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

Preview Lab → · Contrast checker → · Palette generator →