#4739BE#4739BE

#4739BE is a dark, vivid blue. Relative luminance 0.080; OKLCH L 45.0% C 0.198 H 279.6°. Best body text is #FFFFFF at 8.09:1 contrast (WCAG AA passes).

Color values

HEX	#4739BE
RGB	rgb(71, 57, 190)
HSL	hsl(246, 54%, 48%)
HSV	hsv(246, 70%, 75%)
CMYK	cmyk(62.6%, 70%, 0%, 25.5%)
CIE-LAB	lab(33.95, 44.64, -67.71)
CIE-LCH	lch(33.95, 81.10, 303.39°)
OKLab	oklab(44.97% 0.033 -0.1953)
OKLCH	oklch(44.97% 0.198 279.6)
XYZ	xyz(13.3530, 7.9825, 49.5423)
Luminance	0.0798 (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

#4739BE #B0BE39

analogous

#396DBE #4739BE #8939BE

triadic

#4739BE #BE4739 #39BE47

tetradic

#4739BE #BE396D #B0BE39 #39BE89

square

#4739BE #BE396D #B0BE39 #39BE89

split-complementary

#4739BE #BE8939 #6DBE39

monochromatic

#241D60 #352B8F #4739BE #6F64D0 #9B93DF

Accessibility & contrast

On white

8.09

#4739BE on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.60

#4739BE on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4739BE

8.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4739BE	#FFFFFF	#000000	##FFFFFF
##4739BE	1.00	8.09	2.60	8.09
#FFFFFF	8.09	1.00	21.00	1.00
#000000	2.60	21.00	1.00	21.00
##FFFFFF	8.09	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0055C2

Deuteranopia (green-blind)

#004BBC

Tritanopia (blue-blind)

#005D77

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #4739be;
/* rgb */ color: rgb(71, 57, 190);
/* oklch */ color: oklch(45.0% 0.198 279.6);

Tailwind

colors: {
  custom: {
    50: '#8871d3',
    500: '#4739be',
    950: '#000000',
  },
}

SCSS

$custom: #4739be;
$custom-light: #8871d3;
$custom-dark: #000000;

JSON

{
  "hex": "#4739be",
  "rgb": {
    "r": 71,
    "g": 57,
    "b": 190
  },
  "hsl": {
    "h": 246.316,
    "s": 53.846,
    "l": 48.431
  },
  "oklch": {
    "l": 0.44969,
    "c": 0.19805,
    "h": 279.6
  },
  "luminance": 0.07984
}

Semantic roles & 50–950 ramp

primary

#4739BE

secondary

#C3CA89

accent

#DD4BCE

background

#F9F6FD

surface

#F1ECFA

border

#CBC7D3

text

#0D0814

muted

#7E7B83

Preview Lab

Preview with #4739BE

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

Preview Lab → · Contrast checker → · Palette generator →