#4739CF#4739CF

#4739CF is a mid, highly saturated blue. Relative luminance 0.088; OKLCH L 46.6% C 0.219 H 277.8°. Best body text is #FFFFFF at 7.62:1 contrast (WCAG AA passes).

Color values

HEX	#4739CF
RGB	rgb(71, 57, 207)
HSL	hsl(246, 61%, 52%)
HSV	hsv(246, 72%, 81%)
CMYK	cmyk(65.7%, 72.5%, 0%, 18.8%)
CIE-LAB	lab(35.54, 49.97, -75.03)
CIE-LCH	lch(35.54, 90.14, 303.67°)
OKLab	oklab(46.59% 0.0298 -0.2167)
OKLCH	oklch(46.59% 0.219 277.8)
XYZ	xyz(15.3205, 8.7695, 59.9047)
Luminance	0.0877 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blurple

#5539CC

ΔE00 1.77

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4739CF #C1CF39

analogous

#3976CF #4739CF #9239CF

triadic

#4739CF #CF4739 #39CF47

tetradic

#4739CF #CF3976 #C1CF39 #39CF92

square

#4739CF #CF3976 #C1CF39 #39CF92

split-complementary

#4739CF #CF9239 #76CF39

monochromatic

#241C72 #3328A3 #4739CF #756ADB #A39CE7

Accessibility & contrast

On white

7.62

#4739CF on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.75

#4739CF on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4739CF

7.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4739CF	#FFFFFF	#000000	##FFFFFF
##4739CF	1.00	7.62	2.75	7.62
#FFFFFF	7.62	1.00	21.00	1.00
#000000	2.75	21.00	1.00	21.00
##FFFFFF	7.62	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005AD3

Deuteranopia (green-blind)

#004DCC

Tritanopia (blue-blind)

#006381

Achromatopsia (no color)

#545454

Design tokens & code

CSS

--color: #4739cf;
/* rgb */ color: rgb(71, 57, 207);
/* oklch */ color: oklch(46.6% 0.219 277.8);

Tailwind

colors: {
  custom: {
    50: '#8b72df',
    500: '#4739cf',
    950: '#000000',
  },
}

SCSS

$custom: #4739cf;
$custom-light: #8b72df;
$custom-dark: #000000;

JSON

{
  "hex": "#4739cf",
  "rgb": {
    "r": 71,
    "g": 57,
    "b": 207
  },
  "hsl": {
    "h": 245.6,
    "s": 60.976,
    "l": 51.765
  },
  "oklch": {
    "l": 0.46585,
    "c": 0.21872,
    "h": 277.8
  },
  "luminance": 0.08771
}

Semantic roles & 50–950 ramp

primary

#4739CF

secondary

#CDD391

accent

#E444D5

background

#F9F7FD

surface

#F2EDFB

border

#CCC8D4

text

#0E0815

muted

#7E7B83

Preview Lab

Preview with #4739CF

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

Preview Lab → · Contrast checker → · Palette generator →