#4B31BF#4B31BF

#4B31BF is a dark, highly saturated violet. Relative luminance 0.075; OKLCH L 44.3% C 0.207 H 282.3°. Best body text is #FFFFFF at 8.43:1 contrast (WCAG AA passes).

Color values

HEX	#4B31BF
RGB	rgb(75, 49, 191)
HSL	hsl(251, 59%, 47%)
HSV	hsv(251, 74%, 75%)
CMYK	cmyk(60.7%, 74.3%, 0%, 25.1%)
CIE-LAB	lab(32.82, 49.82, -70.15)
CIE-LCH	lch(32.82, 86.04, 305.38°)
OKLab	oklab(44.28% 0.044 -0.2023)
OKLCH	oklch(44.28% 0.207 282.3)
XYZ	xyz(13.4010, 7.4531, 50.0125)
Luminance	0.0745 (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

#4B31BF #A5BF31

analogous

#315EBF #4B31BF #9231BF

triadic

#4B31BF #BF4B31 #31BF4B

tetradic

#4B31BF #BF315E #A5BF31 #31BF92

square

#4B31BF #BF315E #A5BF31 #31BF92

split-complementary

#4B31BF #BF9231 #5EBF31

monochromatic

#25185E #38258E #4B31BF #6F59D4 #9A8AE1

Accessibility & contrast

On white

8.43

#4B31BF on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.49

#4B31BF on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4B31BF

8.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4B31BF	#FFFFFF	#000000	##FFFFFF
##4B31BF	1.00	8.43	2.49	8.43
#FFFFFF	8.43	1.00	21.00	1.00
#000000	2.49	21.00	1.00	21.00
##FFFFFF	8.43	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0052C3

Deuteranopia (green-blind)

#0048BC

Tritanopia (blue-blind)

#005976

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #4b31bf;
/* rgb */ color: rgb(75, 49, 191);
/* oklch */ color: oklch(44.3% 0.207 282.3);

Tailwind

colors: {
  custom: {
    50: '#8b6cd4',
    500: '#4b31bf',
    950: '#000000',
  },
}

SCSS

$custom: #4b31bf;
$custom-light: #8b6cd4;
$custom-dark: #000000;

JSON

{
  "hex": "#4b31bf",
  "rgb": {
    "r": 75,
    "g": 49,
    "b": 191
  },
  "hsl": {
    "h": 250.986,
    "s": 59.167,
    "l": 47.059
  },
  "oklch": {
    "l": 0.44278,
    "c": 0.20697,
    "h": 282.3
  },
  "luminance": 0.07454
}

Semantic roles & 50–950 ramp

primary

#4B31BF

secondary

#BDCB81

accent

#E245C6

background

#F9F6FD

surface

#F1ECFA

border

#CBC7D3

text

#0D0714

muted

#7E7A83

Preview Lab

Preview with #4B31BF

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

Preview Lab → · Contrast checker → · Palette generator →