#4023B4#4023B4

#4023B4 is a dark, highly saturated violet. Relative luminance 0.056; OKLCH L 40.6% C 0.209 H 280.9°. Best body text is #FFFFFF at 9.92:1 contrast (WCAG AA passes).

Color values

HEX	#4023B4
RGB	rgb(64, 35, 180)
HSL	hsl(252, 67%, 42%)
HSV	hsv(252, 81%, 71%)
CMYK	cmyk(64.4%, 80.6%, 0%, 29.4%)
CIE-LAB	lab(28.34, 52.16, -71.04)
CIE-LCH	lch(28.34, 88.13, 306.29°)
OKLab	oklab(40.58% 0.0393 -0.205)
OKLCH	oklch(40.58% 0.209 280.9)
XYZ	xyz(10.9510, 5.5865, 43.6724)
Luminance	0.0559 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4023B4 #97B423

analogous

#234FB4 #4023B4 #8923B4

triadic

#4023B4 #B44023 #23B440

tetradic

#4023B4 #B4234F #97B423 #23B489

square

#4023B4 #B4234F #97B423 #23B489

split-complementary

#4023B4 #B48923 #4FB423

monochromatic

#1C0F4E #2E1981 #4023B4 #5B3BD9 #866EE3

Accessibility & contrast

On white

9.92

#4023B4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.12

#4023B4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4023B4

9.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4023B4	#FFFFFF	#000000	##FFFFFF
##4023B4	1.00	9.92	2.12	9.92
#FFFFFF	9.92	1.00	21.00	1.00
#000000	2.12	21.00	1.00	21.00
##FFFFFF	9.92	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0048B8

Deuteranopia (green-blind)

#003DB1

Tritanopia (blue-blind)

#004F6C

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #4023b4;
/* rgb */ color: rgb(64, 35, 180);
/* oklch */ color: oklch(40.6% 0.209 280.9);

Tailwind

colors: {
  custom: {
    50: '#8563cc',
    500: '#4023b4',
    950: '#000000',
  },
}

SCSS

$custom: #4023b4;
$custom-light: #8563cc;
$custom-dark: #000000;

JSON

{
  "hex": "#4023b4",
  "rgb": {
    "r": 64,
    "g": 35,
    "b": 180
  },
  "hsl": {
    "h": 252,
    "s": 67.442,
    "l": 42.157
  },
  "oklch": {
    "l": 0.40577,
    "c": 0.20877,
    "h": 280.9
  },
  "luminance": 0.05587
}

Semantic roles & 50–950 ramp

primary

#4023B4

secondary

#B6C969

accent

#EA3DC8

background

#F8F6FC

surface

#F0EBF9

border

#CBC6D2

text

#0C0614

muted

#7D7A82

Preview Lab

Preview with #4023B4

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

Preview Lab → · Contrast checker → · Palette generator →