#4F37C8#4F37C8

#4F37C8 is a mid, highly saturated blue. Relative luminance 0.086; OKLCH L 46.3% C 0.211 H 281.9°. Best body text is #FFFFFF at 7.74:1 contrast (WCAG AA passes).

Color values

HEX	#4F37C8
RGB	rgb(79, 55, 200)
HSL	hsl(250, 57%, 50%)
HSV	hsv(250, 73%, 78%)
CMYK	cmyk(60.5%, 72.5%, 0%, 21.6%)
CIE-LAB	lab(35.13, 49.89, -71.60)
CIE-LCH	lch(35.13, 87.27, 304.87°)
OKLab	oklab(46.26% 0.0434 -0.2064)
OKLCH	oklch(46.26% 0.211 281.9)
XYZ	xyz(15.0127, 8.5637, 55.4942)
Luminance	0.0857 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blurple

#5539CC

ΔE00 1.11

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4F37C8 #B0C837

analogous

#3767C8 #4F37C8 #9837C8

triadic

#4F37C8 #C84F37 #37C84F

tetradic

#4F37C8 #C83767 #B0C837 #37C898

square

#4F37C8 #C83767 #B0C837 #37C898

split-complementary

#4F37C8 #C89837 #67C837

monochromatic

#291D68 #3C2A98 #4F37C8 #7967D5 #A397E2

Accessibility & contrast

On white

7.74

#4F37C8 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.71

#4F37C8 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4F37C8

7.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4F37C8	#FFFFFF	#000000	##FFFFFF
##4F37C8	1.00	7.74	2.71	7.74
#FFFFFF	7.74	1.00	21.00	1.00
#000000	2.71	21.00	1.00	21.00
##FFFFFF	7.74	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0057CC

Deuteranopia (green-blind)

#004DC5

Tritanopia (blue-blind)

#005F7C

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #4f37c8;
/* rgb */ color: rgb(79, 55, 200);
/* oklch */ color: oklch(46.3% 0.211 281.9);

Tailwind

colors: {
  custom: {
    50: '#8e71da',
    500: '#4f37c8',
    950: '#000000',
  },
}

SCSS

$custom: #4f37c8;
$custom-light: #8e71da;
$custom-dark: #000000;

JSON

{
  "hex": "#4f37c8",
  "rgb": {
    "r": 79,
    "g": 55,
    "b": 200
  },
  "hsl": {
    "h": 249.931,
    "s": 56.863,
    "l": 50
  },
  "oklch": {
    "l": 0.46257,
    "c": 0.21093,
    "h": 281.9
  },
  "luminance": 0.08565
}

Semantic roles & 50–950 ramp

primary

#4F37C8

secondary

#C3CE8D

accent

#E048C7

background

#F9F6FD

surface

#F2ECFB

border

#CCC7D4

text

#0E0815

muted

#7E7B83

Preview Lab

Preview with #4F37C8

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

Preview Lab → · Contrast checker → · Palette generator →