#4E37CC#4E37CC

#4E37CC is a mid, highly saturated blue. Relative luminance 0.087; OKLCH L 46.6% C 0.216 H 281.0°. Best body text is #FFFFFF at 7.66:1 contrast (WCAG AA passes).

Color values

HEX	#4E37CC
RGB	rgb(78, 55, 204)
HSL	hsl(249, 59%, 51%)
HSV	hsv(249, 73%, 80%)
CMYK	cmyk(61.8%, 73%, 0%, 20%)
CIE-LAB	lab(35.42, 50.96, -73.45)
CIE-LCH	lch(35.42, 89.40, 304.75°)
OKLab	oklab(46.56% 0.0411 -0.2119)
OKLCH	oklch(46.56% 0.216 281)
XYZ	xyz(15.4037, 8.7106, 57.9846)
Luminance	0.0871 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blurple

#5539CC

ΔE00 1.01

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4E37CC #B5CC37

analogous

#376ACC #4E37CC #9937CC

triadic

#4E37CC #CC4E37 #37CC4E

tetradic

#4E37CC #CC376A #B5CC37 #37CC99

square

#4E37CC #CC376A #B5CC37 #37CC99

split-complementary

#4E37CC #CC9937 #6ACC37

monochromatic

#281C6D #3A289E #4E37CC #7968D8 #A499E5

Accessibility & contrast

On white

7.66

#4E37CC on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.74

#4E37CC on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4E37CC

7.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4E37CC	#FFFFFF	#000000	##FFFFFF
##4E37CC	1.00	7.66	2.74	7.66
#FFFFFF	7.66	1.00	21.00	1.00
#000000	2.74	21.00	1.00	21.00
##FFFFFF	7.66	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0058D0

Deuteranopia (green-blind)

#004EC9

Tritanopia (blue-blind)

#00617E

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #4e37cc;
/* rgb */ color: rgb(78, 55, 204);
/* oklch */ color: oklch(46.6% 0.216 281.0);

Tailwind

colors: {
  custom: {
    50: '#8e71dd',
    500: '#4e37cc',
    950: '#000000',
  },
}

SCSS

$custom: #4e37cc;
$custom-light: #8e71dd;
$custom-dark: #000000;

JSON

{
  "hex": "#4e37cc",
  "rgb": {
    "r": 78,
    "g": 55,
    "b": 204
  },
  "hsl": {
    "h": 249.262,
    "s": 59.363,
    "l": 50.784
  },
  "oklch": {
    "l": 0.46556,
    "c": 0.21583,
    "h": 281
  },
  "luminance": 0.08712
}

Semantic roles & 50–950 ramp

primary

#4E37CC

secondary

#C6D08E

accent

#E345CA

background

#F9F6FD

surface

#F2ECFB

border

#CCC7D4

text

#0E0815

muted

#7E7B83

Preview Lab

Preview with #4E37CC

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

Preview Lab → · Contrast checker → · Palette generator →