#4227B0#4227B0

#4227B0 is a dark, highly saturated violet. Relative luminance 0.057; OKLCH L 40.8% C 0.200 H 281.9°. Best body text is #FFFFFF at 9.77:1 contrast (WCAG AA passes).

Color values

HEX	#4227B0
RGB	rgb(66, 39, 176)
HSL	hsl(252, 64%, 42%)
HSV	hsv(252, 78%, 69%)
CMYK	cmyk(62.5%, 77.8%, 0%, 31%)
CIE-LAB	lab(28.75, 49.31, -67.97)
CIE-LCH	lch(28.75, 83.97, 305.96°)
OKLab	oklab(40.78% 0.0412 -0.1961)
OKLCH	oklch(40.78% 0.2 281.9)
XYZ	xyz(10.8063, 5.7431, 41.6050)
Luminance	0.0574 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4227B0 #95B027

analogous

#2750B0 #4227B0 #8727B0

triadic

#4227B0 #B04227 #27B042

tetradic

#4227B0 #B02750 #95B027 #27B087

square

#4227B0 #B02750 #95B027 #27B087

split-complementary

#4227B0 #B08727 #50B027

monochromatic

#1C114C #2F1C7E #4227B0 #5D40D5 #8772E0

Accessibility & contrast

On white

9.77

#4227B0 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.15

#4227B0 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4227B0

9.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4227B0	#FFFFFF	#000000	##FFFFFF
##4227B0	1.00	9.77	2.15	9.77
#FFFFFF	9.77	1.00	21.00	1.00
#000000	2.15	21.00	1.00	21.00
##FFFFFF	9.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0048B4

Deuteranopia (green-blind)

#003FAE

Tritanopia (blue-blind)

#004F6B

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #4227b0;
/* rgb */ color: rgb(66, 39, 176);
/* oklch */ color: oklch(40.8% 0.200 281.9);

Tailwind

colors: {
  custom: {
    50: '#8565c9',
    500: '#4227b0',
    950: '#000000',
  },
}

SCSS

$custom: #4227b0;
$custom-light: #8565c9;
$custom-dark: #000000;

JSON

{
  "hex": "#4227b0",
  "rgb": {
    "r": 66,
    "g": 39,
    "b": 176
  },
  "hsl": {
    "h": 251.825,
    "s": 63.721,
    "l": 42.157
  },
  "oklch": {
    "l": 0.40781,
    "c": 0.20035,
    "h": 281.9
  },
  "luminance": 0.05744
}

Semantic roles & 50–950 ramp

primary

#4227B0

secondary

#B5C76C

accent

#E741C6

background

#F8F6FC

surface

#F0EBF8

border

#CBC6D1

text

#0C0613

muted

#7D7A82

Preview Lab

Preview with #4227B0

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

Preview Lab → · Contrast checker → · Palette generator →