#4B31B8#4B31B8

#4B31B8 is a dark, vivid violet. Relative luminance 0.072; OKLCH L 43.6% C 0.199 H 283.3°. Best body text is #FFFFFF at 8.64:1 contrast (WCAG AA passes).

Color values

HEX	#4B31B8
RGB	rgb(75, 49, 184)
HSL	hsl(252, 58%, 46%)
HSV	hsv(252, 73%, 72%)
CMYK	cmyk(59.2%, 73.4%, 0%, 27.8%)
CIE-LAB	lab(32.15, 47.73, -67.11)
CIE-LCH	lch(32.15, 82.35, 305.42°)
OKLab	oklab(43.61% 0.0456 -0.1934)
OKLCH	oklch(43.61% 0.199 283.3)
XYZ	xyz(12.6490, 7.1523, 46.0521)
Luminance	0.0715 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4B31B8 #9EB831

analogous

#315AB8 #4B31B8 #8F31B8

triadic

#4B31B8 #B84B31 #31B84B

tetradic

#4B31B8 #B8315A #9EB831 #31B88F

square

#4B31B8 #B8315A #9EB831 #31B88F

split-complementary

#4B31B8 #B88F31 #5AB831

monochromatic

#241757 #372488 #4B31B8 #6D55D2 #9685DE

Accessibility & contrast

On white

8.64

#4B31B8 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.43

#4B31B8 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4B31B8

8.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4B31B8	#FFFFFF	#000000	##FFFFFF
##4B31B8	1.00	8.64	2.43	8.64
#FFFFFF	8.64	1.00	21.00	1.00
#000000	2.43	21.00	1.00	21.00
##FFFFFF	8.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0050BC

Deuteranopia (green-blind)

#0047B5

Tritanopia (blue-blind)

#015672

Achromatopsia (no color)

#4C4C4C

Design tokens & code

CSS

--color: #4b31b8;
/* rgb */ color: rgb(75, 49, 184);
/* oklch */ color: oklch(43.6% 0.199 283.3);

Tailwind

colors: {
  custom: {
    50: '#8a6cce',
    500: '#4b31b8',
    950: '#000000',
  },
}

SCSS

$custom: #4b31b8;
$custom-light: #8a6cce;
$custom-dark: #000000;

JSON

{
  "hex": "#4b31b8",
  "rgb": {
    "r": 75,
    "g": 49,
    "b": 184
  },
  "hsl": {
    "h": 251.556,
    "s": 57.94,
    "l": 45.686
  },
  "oklch": {
    "l": 0.43607,
    "c": 0.19867,
    "h": 283.3
  },
  "luminance": 0.07153
}

Semantic roles & 50–950 ramp

primary

#4B31B8

secondary

#B9C87D

accent

#E147C3

background

#F9F6FC

surface

#F1EBF9

border

#CBC6D2

text

#0D0714

muted

#7E7A82

Preview Lab

Preview with #4B31B8

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

Preview Lab → · Contrast checker → · Palette generator →