#4B37CD#4B37CD

#4B37CD is a mid, highly saturated blue. Relative luminance 0.086; OKLCH L 46.4% C 0.218 H 279.7°. Best body text is #FFFFFF at 7.70:1 contrast (WCAG AA passes).

Color values

HEX	#4B37CD
RGB	rgb(75, 55, 205)
HSL	hsl(248, 60%, 51%)
HSV	hsv(248, 73%, 80%)
CMYK	cmyk(63.4%, 73.2%, 0%, 19.6%)
CIE-LAB	lab(35.27, 50.90, -74.29)
CIE-LCH	lch(35.27, 90.05, 304.42°)
OKLab	oklab(46.42% 0.0368 -0.2144)
OKLCH	oklch(46.42% 0.218 279.7)
XYZ	xyz(15.2838, 8.6348, 58.6070)
Luminance	0.0864 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blurple

#5539CC

ΔE00 1.34

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4B37CD #B9CD37

analogous

#376ECD #4B37CD #9637CD

triadic

#4B37CD #CD4B37 #37CD4B

tetradic

#4B37CD #CD376E #B9CD37 #37CD96

square

#4B37CD #CD376E #B9CD37 #37CD96

split-complementary

#4B37CD #CD9637 #6ECD37

monochromatic

#271C6E #38289F #4B37CD #7768D9 #A399E5

Accessibility & contrast

On white

7.70

#4B37CD on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.73

#4B37CD on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4B37CD

7.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4B37CD	#FFFFFF	#000000	##FFFFFF
##4B37CD	1.00	7.70	2.73	7.70
#FFFFFF	7.70	1.00	21.00	1.00
#000000	2.73	21.00	1.00	21.00
##FFFFFF	7.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0058D1

Deuteranopia (green-blind)

#004DCA

Tritanopia (blue-blind)

#00617F

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #4b37cd;
/* rgb */ color: rgb(75, 55, 205);
/* oklch */ color: oklch(46.4% 0.218 279.7);

Tailwind

colors: {
  custom: {
    50: '#8d71de',
    500: '#4b37cd',
    950: '#000000',
  },
}

SCSS

$custom: #4b37cd;
$custom-light: #8d71de;
$custom-dark: #000000;

JSON

{
  "hex": "#4b37cd",
  "rgb": {
    "r": 75,
    "g": 55,
    "b": 205
  },
  "hsl": {
    "h": 248,
    "s": 60,
    "l": 50.98
  },
  "oklch": {
    "l": 0.46417,
    "c": 0.21754,
    "h": 279.7
  },
  "luminance": 0.08636
}

Semantic roles & 50–950 ramp

primary

#4B37CD

secondary

#C8D18F

accent

#E345CE

background

#F9F6FD

surface

#F2ECFB

border

#CCC7D4

text

#0E0815

muted

#7E7B83

Preview Lab

Preview with #4B37CD

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

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