#421BB4#421BB4

#421BB4 is a dark, highly saturated violet. Relative luminance 0.052; OKLCH L 40.0% C 0.214 H 282.4°. Best body text is #FFFFFF at 10.26:1 contrast (WCAG AA passes).

Color values

HEX	#421BB4
RGB	rgb(66, 27, 180)
HSL	hsl(255, 74%, 41%)
HSV	hsv(255, 85%, 71%)
CMYK	cmyk(63.3%, 85%, 0%, 29.4%)
CIE-LAB	lab(27.40, 55.67, -72.60)
CIE-LCH	lch(27.40, 91.49, 307.48°)
OKLab	oklab(39.97% 0.0461 -0.2094)
OKLCH	oklch(39.97% 0.214 282.4)
XYZ	xyz(10.8743, 5.2366, 43.6089)
Luminance	0.0524 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#421BB4 #8DB41B

analogous

#1B40B4 #421BB4 #8E1BB4

triadic

#421BB4 #B4421B #1BB442

tetradic

#421BB4 #B41B40 #8DB41B #1BB48E

square

#421BB4 #B41B40 #8DB41B #1BB48E

split-complementary

#421BB4 #B48E1B #40B41B

monochromatic

#1B0B4A #2E137F #421BB4 #5A2DDF #8462E7

Accessibility & contrast

On white

10.26

#421BB4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.05

#421BB4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #421BB4

10.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##421BB4	#FFFFFF	#000000	##FFFFFF
##421BB4	1.00	10.26	2.05	10.26
#FFFFFF	10.26	1.00	21.00	1.00
#000000	2.05	21.00	1.00	21.00
##FFFFFF	10.26	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0045B8

Deuteranopia (green-blind)

#003BB1

Tritanopia (blue-blind)

#004D6B

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #421bb4;
/* rgb */ color: rgb(66, 27, 180);
/* oklch */ color: oklch(40.0% 0.214 282.4);

Tailwind

colors: {
  custom: {
    50: '#8660cc',
    500: '#421bb4',
    950: '#000000',
  },
}

SCSS

$custom: #421bb4;
$custom-light: #8660cc;
$custom-dark: #000000;

JSON

{
  "hex": "#421bb4",
  "rgb": {
    "r": 66,
    "g": 27,
    "b": 180
  },
  "hsl": {
    "h": 255.294,
    "s": 73.913,
    "l": 40.588
  },
  "oklch": {
    "l": 0.39971,
    "c": 0.21443,
    "h": 282.4
  },
  "luminance": 0.05237
}

Semantic roles & 50–950 ramp

primary

#421BB4

secondary

#B0CC5F

accent

#F137C1

background

#F9F5FC

surface

#F1EAF9

border

#CBC6D2

text

#0D0514

muted

#7E7982

Preview Lab

Preview with #421BB4

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

Preview Lab → · Contrast checker → · Palette generator →