#4B31B3#4B31B3

#4B31B3 is a dark, vivid violet. Relative luminance 0.069; OKLCH L 43.1% C 0.193 H 284.0°. Best body text is #FFFFFF at 8.79:1 contrast (WCAG AA passes).

Color values

HEX	#4B31B3
RGB	rgb(75, 49, 179)
HSL	hsl(252, 57%, 45%)
HSV	hsv(252, 73%, 70%)
CMYK	cmyk(58.1%, 72.6%, 0%, 29.8%)
CIE-LAB	lab(31.68, 46.23, -64.91)
CIE-LCH	lch(31.68, 79.69, 305.46°)
OKLab	oklab(43.13% 0.0467 -0.1869)
OKLCH	oklch(43.13% 0.193 284)
XYZ	xyz(12.1342, 6.9464, 43.3405)
Luminance	0.0695 (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

#4B31B3 #99B331

analogous

#3158B3 #4B31B3 #8C31B3

triadic

#4B31B3 #B34B31 #31B34B

tetradic

#4B31B3 #B33158 #99B331 #31B38C

square

#4B31B3 #B33158 #99B331 #31B38C

split-complementary

#4B31B3 #B38C31 #58B331

monochromatic

#231753 #372483 #4B31B3 #6B52D0 #9482DD

Accessibility & contrast

On white

8.79

#4B31B3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.39

#4B31B3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4B31B3

8.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4B31B3	#FFFFFF	#000000	##FFFFFF
##4B31B3	1.00	8.79	2.39	8.79
#FFFFFF	8.79	1.00	21.00	1.00
#000000	2.39	21.00	1.00	21.00
##FFFFFF	8.79	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004EB7

Deuteranopia (green-blind)

#0046B1

Tritanopia (blue-blind)

#10546F

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #4b31b3;
/* rgb */ color: rgb(75, 49, 179);
/* oklch */ color: oklch(43.1% 0.193 284.0);

Tailwind

colors: {
  custom: {
    50: '#896ccb',
    500: '#4b31b3',
    950: '#000000',
  },
}

SCSS

$custom: #4b31b3;
$custom-light: #896ccb;
$custom-dark: #000000;

JSON

{
  "hex": "#4b31b3",
  "rgb": {
    "r": 75,
    "g": 49,
    "b": 179
  },
  "hsl": {
    "h": 252,
    "s": 57.018,
    "l": 44.706
  },
  "oklch": {
    "l": 0.43134,
    "c": 0.19267,
    "h": 284
  },
  "luminance": 0.06947
}

Semantic roles & 50–950 ramp

primary

#4B31B3

secondary

#B7C67A

accent

#E048C2

background

#F9F6FC

surface

#F1EBF9

border

#CBC6D2

text

#0D0713

muted

#7E7A82

Preview Lab

Preview with #4B31B3

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

Preview Lab → · Contrast checker → · Palette generator →