#4739BF#4739BF

#4739BF is a mid, vivid blue. Relative luminance 0.080; OKLCH L 45.1% C 0.199 H 279.5°. Best body text is #FFFFFF at 8.06:1 contrast (WCAG AA passes).

Color values

HEX	#4739BF
RGB	rgb(71, 57, 191)
HSL	hsl(246, 54%, 49%)
HSV	hsv(246, 70%, 75%)
CMYK	cmyk(62.8%, 70.2%, 0%, 25.1%)
CIE-LAB	lab(34.04, 44.96, -68.15)
CIE-LCH	lch(34.04, 81.64, 303.41°)
OKLab	oklab(45.06% 0.0328 -0.1966)
OKLCH	oklch(45.06% 0.199 279.5)
XYZ	xyz(13.4626, 8.0264, 50.1199)
Luminance	0.0803 (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

#4739BF #B1BF39

analogous

#396EBF #4739BF #8A39BF

triadic

#4739BF #BF4739 #39BF47

tetradic

#4739BF #BF396E #B1BF39 #39BF8A

square

#4739BF #BF396E #B1BF39 #39BF8A

split-complementary

#4739BF #BF8A39 #6EBF39

monochromatic

#241D61 #352B90 #4739BF #7064D1 #9B93DF

Accessibility & contrast

On white

8.06

#4739BF on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.61

#4739BF on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4739BF

8.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4739BF	#FFFFFF	#000000	##FFFFFF
##4739BF	1.00	8.06	2.61	8.06
#FFFFFF	8.06	1.00	21.00	1.00
#000000	2.61	21.00	1.00	21.00
##FFFFFF	8.06	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0055C3

Deuteranopia (green-blind)

#004BBC

Tritanopia (blue-blind)

#005D78

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #4739bf;
/* rgb */ color: rgb(71, 57, 191);
/* oklch */ color: oklch(45.1% 0.199 279.5);

Tailwind

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

SCSS

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

JSON

{
  "hex": "#4739bf",
  "rgb": {
    "r": 71,
    "g": 57,
    "b": 191
  },
  "hsl": {
    "h": 246.269,
    "s": 54.032,
    "l": 48.627
  },
  "oklch": {
    "l": 0.45062,
    "c": 0.19929,
    "h": 279.5
  },
  "luminance": 0.08027
}

Semantic roles & 50–950 ramp

primary

#4739BF

secondary

#C3CA8A

accent

#DD4ACE

background

#F9F6FD

surface

#F1ECFA

border

#CBC7D3

text

#0D0814

muted

#7E7B83

Preview Lab

Preview with #4739BF

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

Preview Lab → · Contrast checker → · Palette generator →