#421C90#421C90

#421C90 is a dark, vivid violet. Relative luminance 0.040; OKLCH L 36.3% C 0.174 H 289.6°. Best body text is #FFFFFF at 11.66:1 contrast (WCAG AA passes).

Color values

HEX	#421C90
RGB	rgb(66, 28, 144)
HSL	hsl(260, 67%, 34%)
HSV	hsv(260, 81%, 56%)
CMYK	cmyk(54.2%, 80.6%, 0%, 43.5%)
CIE-LAB	lab(23.68, 45.27, -56.85)
CIE-LCH	lch(23.68, 72.67, 308.53°)
OKLab	oklab(36.26% 0.0582 -0.1635)
OKLCH	oklch(36.26% 0.174 289.6)
XYZ	xyz(7.6946, 4.0020, 26.7472)
Luminance	0.0400 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#421C90 #6A901C

analogous

#1C3090 #421C90 #7C1C90

triadic

#421C90 #90421C #1C9042

tetradic

#421C90 #901C30 #6A901C #1C907C

square

#421C90 #901C30 #6A901C #1C907C

split-complementary

#421C90 #907C1C #30901C

monochromatic

#13082A #2B125D #421C90 #5926C3 #7A4ADC

Accessibility & contrast

On white

11.66

#421C90 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.80

#421C90 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #421C90

11.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##421C90	#FFFFFF	#000000	##FFFFFF
##421C90	1.00	11.66	1.80	11.66
#FFFFFF	11.66	1.00	21.00	1.00
#000000	1.80	21.00	1.00	21.00
##FFFFFF	11.66	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003B93

Deuteranopia (green-blind)

#00368E

Tritanopia (blue-blind)

#243E56

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #421c90;
/* rgb */ color: rgb(66, 28, 144);
/* oklch */ color: oklch(36.3% 0.174 289.6);

Tailwind

colors: {
  custom: {
    50: '#805eb2',
    500: '#421c90',
    950: '#000000',
  },
}

SCSS

$custom: #421c90;
$custom-light: #805eb2;
$custom-dark: #000000;

JSON

{
  "hex": "#421c90",
  "rgb": {
    "r": 66,
    "g": 28,
    "b": 144
  },
  "hsl": {
    "h": 259.655,
    "s": 67.442,
    "l": 33.725
  },
  "oklch": {
    "l": 0.36263,
    "c": 0.17353,
    "h": 289.6
  },
  "luminance": 0.04002
}

Semantic roles & 50–950 ramp

primary

#421C90

secondary

#98BE4A

accent

#EA3DB2

background

#F8F5FB

surface

#EFE9F6

border

#CAC5D0

text

#0B0511

muted

#7C7980

Preview Lab

Preview with #421C90

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

Preview Lab → · Contrast checker → · Palette generator →