#4739CB#4739CB

#4739CB is a mid, highly saturated blue. Relative luminance 0.086; OKLCH L 46.2% C 0.214 H 278.2°. Best body text is #FFFFFF at 7.73:1 contrast (WCAG AA passes).

Color values

HEX	#4739CB
RGB	rgb(71, 57, 203)
HSL	hsl(246, 58%, 51%)
HSV	hsv(246, 72%, 80%)
CMYK	cmyk(65%, 71.9%, 0%, 20.4%)
CIE-LAB	lab(35.16, 48.73, -73.33)
CIE-LCH	lch(35.16, 88.04, 303.60°)
OKLab	oklab(46.2% 0.0306 -0.2117)
OKLCH	oklch(46.2% 0.214 278.2)
XYZ	xyz(14.8377, 8.5764, 57.3618)
Luminance	0.0858 (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

#4739CB #BDCB39

analogous

#3974CB #4739CB #9039CB

triadic

#4739CB #CB4739 #39CB47

tetradic

#4739CB #CB3974 #BDCB39 #39CB90

square

#4739CB #CB3974 #BDCB39 #39CB90

split-complementary

#4739CB #CB9039 #74CB39

monochromatic

#241D6D #34299D #4739CB #7469D8 #A19AE4

Accessibility & contrast

On white

7.73

#4739CB on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.72

#4739CB on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4739CB

7.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4739CB	#FFFFFF	#000000	##FFFFFF
##4739CB	1.00	7.73	2.72	7.73
#FFFFFF	7.73	1.00	21.00	1.00
#000000	2.72	21.00	1.00	21.00
##FFFFFF	7.73	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0058CF

Deuteranopia (green-blind)

#004DC8

Tritanopia (blue-blind)

#00627E

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #4739cb;
/* rgb */ color: rgb(71, 57, 203);
/* oklch */ color: oklch(46.2% 0.214 278.2);

Tailwind

colors: {
  custom: {
    50: '#8b71dc',
    500: '#4739cb',
    950: '#000000',
  },
}

SCSS

$custom: #4739cb;
$custom-light: #8b71dc;
$custom-dark: #000000;

JSON

{
  "hex": "#4739cb",
  "rgb": {
    "r": 71,
    "g": 57,
    "b": 203
  },
  "hsl": {
    "h": 245.753,
    "s": 58.4,
    "l": 50.98
  },
  "oklch": {
    "l": 0.46199,
    "c": 0.21391,
    "h": 278.2
  },
  "luminance": 0.08578
}

Semantic roles & 50–950 ramp

primary

#4739CB

secondary

#CAD090

accent

#E246D3

background

#F9F7FD

surface

#F2EDFB

border

#CCC8D4

text

#0D0815

muted

#7E7B83

Preview Lab

Preview with #4739CB

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

Preview Lab → · Contrast checker → · Palette generator →