#421FBB#421FBB

#421FBB is a dark, highly saturated violet. Relative luminance 0.057; OKLCH L 41.1% C 0.219 H 281.0°. Best body text is #FFFFFF at 9.79:1 contrast (WCAG AA passes).

Color values

HEX	#421FBB
RGB	rgb(66, 31, 187)
HSL	hsl(253, 72%, 43%)
HSV	hsv(253, 83%, 73%)
CMYK	cmyk(64.7%, 83.4%, 0%, 26.7%)
CIE-LAB	lab(28.71, 56.04, -74.59)
CIE-LCH	lch(28.71, 93.30, 306.92°)
OKLab	oklab(41.1% 0.042 -0.2153)
OKLCH	oklch(41.1% 0.219 281)
XYZ	xyz(11.7036, 5.7252, 47.4924)
Luminance	0.0573 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#421FBB #98BB1F

analogous

#1F4ABB #421FBB #901FBB

triadic

#421FBB #BB421F #1FBB42

tetradic

#421FBB #BB1F4A #98BB1F #1FBB90

square

#421FBB #BB1F4A #98BB1F #1FBB90

split-complementary

#421FBB #BB901F #4ABB1F

monochromatic

#1D0E52 #2F1687 #421FBB #5E39DE #896EE7

Accessibility & contrast

On white

9.79

#421FBB on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.15

#421FBB on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #421FBB

9.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##421FBB	#FFFFFF	#000000	##FFFFFF
##421FBB	1.00	9.79	2.15	9.79
#FFFFFF	9.79	1.00	21.00	1.00
#000000	2.15	21.00	1.00	21.00
##FFFFFF	9.79	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0049BF

Deuteranopia (green-blind)

#003EB8

Tritanopia (blue-blind)

#005170

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #421fbb;
/* rgb */ color: rgb(66, 31, 187);
/* oklch */ color: oklch(41.1% 0.219 281.0);

Tailwind

colors: {
  custom: {
    50: '#8762d1',
    500: '#421fbb',
    950: '#000000',
  },
}

SCSS

$custom: #421fbb;
$custom-light: #8762d1;
$custom-dark: #000000;

JSON

{
  "hex": "#421fbb",
  "rgb": {
    "r": 66,
    "g": 31,
    "b": 187
  },
  "hsl": {
    "h": 253.462,
    "s": 71.56,
    "l": 42.745
  },
  "oklch": {
    "l": 0.41097,
    "c": 0.21931,
    "h": 281
  },
  "luminance": 0.05726
}

Semantic roles & 50–950 ramp

primary

#421FBB

secondary

#B7CD69

accent

#EE3AC6

background

#F9F6FD

surface

#F1EBFA

border

#CBC6D3

text

#0D0514

muted

#7E7A83

Preview Lab

Preview with #421FBB

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

Preview Lab → · Contrast checker → · Palette generator →