#4021B4#4021B4

#4021B4 is a dark, highly saturated violet. Relative luminance 0.055; OKLCH L 40.4% C 0.210 H 281.1°. Best body text is #FFFFFF at 10.03:1 contrast (WCAG AA passes).

Color values

HEX	#4021B4
RGB	rgb(64, 33, 180)
HSL	hsl(253, 69%, 42%)
HSV	hsv(253, 82%, 71%)
CMYK	cmyk(64.4%, 81.7%, 0%, 29.4%)
CIE-LAB	lab(28.04, 53.05, -71.54)
CIE-LCH	lch(28.04, 89.07, 306.56°)
OKLab	oklab(40.37% 0.0403 -0.2065)
OKLCH	oklch(40.37% 0.21 281.1)
XYZ	xyz(10.8938, 5.4721, 43.6533)
Luminance	0.0547 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4021B4 #95B421

analogous

#214CB4 #4021B4 #8A21B4

triadic

#4021B4 #B44021 #21B440

tetradic

#4021B4 #B4214C #95B421 #21B48A

square

#4021B4 #B4214C #95B421 #21B48A

split-complementary

#4021B4 #B48A21 #4CB421

monochromatic

#1B0E4D #2E1880 #4021B4 #5A38DA #856BE4

Accessibility & contrast

On white

10.03

#4021B4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.09

#4021B4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4021B4

10.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4021B4	#FFFFFF	#000000	##FFFFFF
##4021B4	1.00	10.03	2.09	10.03
#FFFFFF	10.03	1.00	21.00	1.00
#000000	2.09	21.00	1.00	21.00
##FFFFFF	10.03	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0047B8

Deuteranopia (green-blind)

#003DB1

Tritanopia (blue-blind)

#004F6C

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #4021b4;
/* rgb */ color: rgb(64, 33, 180);
/* oklch */ color: oklch(40.4% 0.210 281.1);

Tailwind

colors: {
  custom: {
    50: '#8562cc',
    500: '#4021b4',
    950: '#000000',
  },
}

SCSS

$custom: #4021b4;
$custom-light: #8562cc;
$custom-dark: #000000;

JSON

{
  "hex": "#4021b4",
  "rgb": {
    "r": 64,
    "g": 33,
    "b": 180
  },
  "hsl": {
    "h": 252.653,
    "s": 69.014,
    "l": 41.765
  },
  "oklch": {
    "l": 0.40366,
    "c": 0.21037,
    "h": 281.1
  },
  "luminance": 0.05473
}

Semantic roles & 50–950 ramp

primary

#4021B4

secondary

#B5CA67

accent

#EC3CC7

background

#F8F6FC

surface

#F0EBF9

border

#CBC6D2

text

#0C0514

muted

#7D7A82

Preview Lab

Preview with #4021B4

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

Preview Lab → · Contrast checker → · Palette generator →