#4B31CF#4B31CF

#4B31CF is a mid, highly saturated blue. Relative luminance 0.082; OKLCH L 45.9% C 0.226 H 280.2°. Best body text is #FFFFFF at 7.96:1 contrast (WCAG AA passes).

Color values

HEX	#4B31CF
RGB	rgb(75, 49, 207)
HSL	hsl(250, 62%, 50%)
HSV	hsv(250, 76%, 81%)
CMYK	cmyk(63.8%, 76.3%, 0%, 18.8%)
CIE-LAB	lab(34.39, 54.56, -76.91)
CIE-LCH	lch(34.39, 94.29, 305.35°)
OKLab	oklab(45.85% 0.04 -0.222)
OKLCH	oklch(45.85% 0.226 280.2)
XYZ	xyz(15.2589, 8.1963, 59.7973)
Luminance	0.0820 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blurple

#5539CC

ΔE00 2.06

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4B31CF #B5CF31

analogous

#3166CF #4B31CF #9A31CF

triadic

#4B31CF #CF4B31 #31CF4B

tetradic

#4B31CF #CF3166 #B5CF31 #31CF9A

square

#4B31CF #CF3166 #B5CF31 #31CF9A

split-complementary

#4B31CF #CF9A31 #66CF31

monochromatic

#27196C #39259E #4B31CF #7663DB #A294E6

Accessibility & contrast

On white

7.96

#4B31CF on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.64

#4B31CF on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4B31CF

7.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4B31CF	#FFFFFF	#000000	##FFFFFF
##4B31CF	1.00	7.96	2.64	7.96
#FFFFFF	7.96	1.00	21.00	1.00
#000000	2.64	21.00	1.00	21.00
##FFFFFF	7.96	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0056D3

Deuteranopia (green-blind)

#004BCC

Tritanopia (blue-blind)

#005F7F

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #4b31cf;
/* rgb */ color: rgb(75, 49, 207);
/* oklch */ color: oklch(45.9% 0.226 280.2);

Tailwind

colors: {
  custom: {
    50: '#8e6ddf',
    500: '#4b31cf',
    950: '#000000',
  },
}

SCSS

$custom: #4b31cf;
$custom-light: #8e6ddf;
$custom-dark: #000000;

JSON

{
  "hex": "#4b31cf",
  "rgb": {
    "r": 75,
    "g": 49,
    "b": 207
  },
  "hsl": {
    "h": 249.873,
    "s": 62.205,
    "l": 50.196
  },
  "oklch": {
    "l": 0.45854,
    "c": 0.22557,
    "h": 280.2
  },
  "luminance": 0.08197
}

Semantic roles & 50–950 ramp

primary

#4B31CF

secondary

#C6D18B

accent

#E543CA

background

#F9F6FD

surface

#F2ECFB

border

#CCC7D4

text

#0E0715

muted

#7E7A83

Preview Lab

Preview with #4B31CF

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

Preview Lab → · Contrast checker → · Palette generator →