#421B8C#421B8C

#421B8C is a dark, vivid violet. Relative luminance 0.038; OKLCH L 35.8% C 0.170 H 290.8°. Best body text is #FFFFFF at 11.88:1 contrast (WCAG AA passes).

Color values

HEX	#421B8C
RGB	rgb(66, 27, 140)
HSL	hsl(261, 68%, 33%)
HSV	hsv(261, 81%, 55%)
CMYK	cmyk(52.9%, 80.7%, 0%, 45.1%)
CIE-LAB	lab(23.12, 44.60, -55.28)
CIE-LCH	lch(23.12, 71.03, 308.90°)
OKLab	oklab(35.75% 0.0603 -0.1589)
OKLCH	oklch(35.75% 0.17 290.8)
XYZ	xyz(7.3710, 3.8353, 25.1578)
Luminance	0.0384 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#421B8C #658C1B

analogous

#1B2C8C #421B8C #7A1B8C

triadic

#421B8C #8C421B #1B8C42

tetradic

#421B8C #8C1B2C #658C1B #1B8C7A

square

#421B8C #8C1B2C #658C1B #1B8C7A

split-complementary

#421B8C #8C7A1B #2C8C1B

monochromatic

#120725 #2A1159 #421B8C #5A25BF #7A46DB

Accessibility & contrast

On white

11.88

#421B8C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.77

#421B8C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #421B8C

11.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##421B8C	#FFFFFF	#000000	##FFFFFF
##421B8C	1.00	11.88	1.77	11.88
#FFFFFF	11.88	1.00	21.00	1.00
#000000	1.77	21.00	1.00	21.00
##FFFFFF	11.88	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00398F

Deuteranopia (green-blind)

#00358A

Tritanopia (blue-blind)

#273C53

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #421b8c;
/* rgb */ color: rgb(66, 27, 140);
/* oklch */ color: oklch(35.8% 0.170 290.8);

Tailwind

colors: {
  custom: {
    50: '#7f5daf',
    500: '#421b8c',
    950: '#000000',
  },
}

SCSS

$custom: #421b8c;
$custom-light: #7f5daf;
$custom-dark: #000000;

JSON

{
  "hex": "#421b8c",
  "rgb": {
    "r": 66,
    "g": 27,
    "b": 140
  },
  "hsl": {
    "h": 260.708,
    "s": 67.665,
    "l": 32.745
  },
  "oklch": {
    "l": 0.35753,
    "c": 0.16991,
    "h": 290.8
  },
  "luminance": 0.03836
}

Semantic roles & 50–950 ramp

primary

#421B8C

secondary

#94BD46

accent

#EB3DAF

background

#F8F5FA

surface

#EFE9F5

border

#CAC5CF

text

#0B0410

muted

#7C797F

Preview Lab

Preview with #421B8C

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

Preview Lab → · Contrast checker → · Palette generator →