#4F37CC#4F37CC

#4F37CC is a mid, highly saturated blue. Relative luminance 0.088; OKLCH L 46.6% C 0.216 H 281.4°. Best body text is #FFFFFF at 7.63:1 contrast (WCAG AA passes).

Color values

HEX	#4F37CC
RGB	rgb(79, 55, 204)
HSL	hsl(250, 59%, 51%)
HSV	hsv(250, 73%, 80%)
CMYK	cmyk(61.3%, 73%, 0%, 20%)
CIE-LAB	lab(35.50, 51.09, -73.31)
CIE-LCH	lch(35.50, 89.36, 304.87°)
OKLab	oklab(46.64% 0.0425 -0.2114)
OKLCH	oklch(46.64% 0.216 281.4)
XYZ	xyz(15.4863, 8.7532, 57.9885)
Luminance	0.0875 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blurple

#5539CC

ΔE00 0.90

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4F37CC #B4CC37

analogous

#3769CC #4F37CC #9937CC

triadic

#4F37CC #CC4F37 #37CC4F

tetradic

#4F37CC #CC3769 #B4CC37 #37CC99

square

#4F37CC #CC3769 #B4CC37 #37CC99

split-complementary

#4F37CC #CC9937 #69CC37

monochromatic

#291C6D #3B289E #4F37CC #7A68D8 #A599E5

Accessibility & contrast

On white

7.63

#4F37CC on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.75

#4F37CC on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4F37CC

7.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4F37CC	#FFFFFF	#000000	##FFFFFF
##4F37CC	1.00	7.63	2.75	7.63
#FFFFFF	7.63	1.00	21.00	1.00
#000000	2.75	21.00	1.00	21.00
##FFFFFF	7.63	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0059D0

Deuteranopia (green-blind)

#004EC9

Tritanopia (blue-blind)

#00617E

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #4f37cc;
/* rgb */ color: rgb(79, 55, 204);
/* oklch */ color: oklch(46.6% 0.216 281.4);

Tailwind

colors: {
  custom: {
    50: '#8f71dd',
    500: '#4f37cc',
    950: '#000000',
  },
}

SCSS

$custom: #4f37cc;
$custom-light: #8f71dd;
$custom-dark: #000000;

JSON

{
  "hex": "#4f37cc",
  "rgb": {
    "r": 79,
    "g": 55,
    "b": 204
  },
  "hsl": {
    "h": 249.664,
    "s": 59.363,
    "l": 50.784
  },
  "oklch": {
    "l": 0.46636,
    "c": 0.21566,
    "h": 281.4
  },
  "luminance": 0.08754
}

Semantic roles & 50–950 ramp

primary

#4F37CC

secondary

#C6D08E

accent

#E345C9

background

#F9F7FD

surface

#F2EDFB

border

#CCC8D4

text

#0E0815

muted

#7E7B83

Preview Lab

Preview with #4F37CC

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

Preview Lab → · Contrast checker → · Palette generator →