#4739CC#4739CC

#4739CC is a mid, highly saturated blue. Relative luminance 0.086; OKLCH L 46.3% C 0.215 H 278.1°. Best body text is #FFFFFF at 7.71:1 contrast (WCAG AA passes).

Color values

HEX	#4739CC
RGB	rgb(71, 57, 204)
HSL	hsl(246, 59%, 51%)
HSV	hsv(246, 72%, 80%)
CMYK	cmyk(65.2%, 72.1%, 0%, 20%)
CIE-LAB	lab(35.25, 49.04, -73.76)
CIE-LCH	lch(35.25, 88.57, 303.62°)
OKLab	oklab(46.29% 0.0304 -0.213)
OKLCH	oklch(46.29% 0.215 278.1)
XYZ	xyz(14.9572, 8.6242, 57.9915)
Luminance	0.0862 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4739CC #BECC39

analogous

#3974CC #4739CC #9039CC

triadic

#4739CC #CC4739 #39CC47

tetradic

#4739CC #CC3974 #BECC39 #39CC90

square

#4739CC #CC3974 #BECC39 #39CC90

split-complementary

#4739CC #CC9039 #74CC39

monochromatic

#241C6E #34299F #4739CC #746AD9 #A19AE5

Accessibility & contrast

On white

7.71

#4739CC on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.72

#4739CC on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4739CC

7.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4739CC	#FFFFFF	#000000	##FFFFFF
##4739CC	1.00	7.71	2.72	7.71
#FFFFFF	7.71	1.00	21.00	1.00
#000000	2.72	21.00	1.00	21.00
##FFFFFF	7.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0059D0

Deuteranopia (green-blind)

#004DC9

Tritanopia (blue-blind)

#00627F

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #4739cc;
/* rgb */ color: rgb(71, 57, 204);
/* oklch */ color: oklch(46.3% 0.215 278.1);

Tailwind

colors: {
  custom: {
    50: '#8b72dd',
    500: '#4739cc',
    950: '#000000',
  },
}

SCSS

$custom: #4739cc;
$custom-light: #8b72dd;
$custom-dark: #000000;

JSON

{
  "hex": "#4739cc",
  "rgb": {
    "r": 71,
    "g": 57,
    "b": 204
  },
  "hsl": {
    "h": 245.714,
    "s": 59.036,
    "l": 51.176
  },
  "oklch": {
    "l": 0.46295,
    "c": 0.21512,
    "h": 278.1
  },
  "luminance": 0.08625
}

Semantic roles & 50–950 ramp

primary

#4739CC

secondary

#CBD190

accent

#E246D3

background

#F9F7FD

surface

#F2EDFB

border

#CCC8D4

text

#0D0815

muted

#7E7B83

Preview Lab

Preview with #4739CC

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

Preview Lab → · Contrast checker → · Palette generator →