#4739BD#4739BD

#4739BD is a dark, vivid blue. Relative luminance 0.079; OKLCH L 44.9% C 0.197 H 279.7°. Best body text is #FFFFFF at 8.11:1 contrast (WCAG AA passes).

Color values

HEX	#4739BD
RGB	rgb(71, 57, 189)
HSL	hsl(246, 54%, 48%)
HSV	hsv(246, 70%, 74%)
CMYK	cmyk(62.4%, 69.8%, 0%, 25.9%)
CIE-LAB	lab(33.86, 44.32, -67.27)
CIE-LCH	lch(33.86, 80.56, 303.38°)
OKLab	oklab(44.88% 0.0331 -0.194)
OKLCH	oklch(44.88% 0.197 279.7)
XYZ	xyz(13.2440, 7.9390, 48.9687)
Luminance	0.0794 (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

#4739BD #AFBD39

analogous

#396DBD #4739BD #8939BD

triadic

#4739BD #BD4739 #39BD47

tetradic

#4739BD #BD396D #AFBD39 #39BD89

square

#4739BD #BD396D #AFBD39 #39BD89

split-complementary

#4739BD #BD8939 #6DBD39

monochromatic

#241D5F #352B8E #4739BD #6F63D0 #9A92DE

Accessibility & contrast

On white

8.11

#4739BD on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.59

#4739BD on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4739BD

8.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4739BD	#FFFFFF	#000000	##FFFFFF
##4739BD	1.00	8.11	2.59	8.11
#FFFFFF	8.11	1.00	21.00	1.00
#000000	2.59	21.00	1.00	21.00
##FFFFFF	8.11	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0055C1

Deuteranopia (green-blind)

#004ABB

Tritanopia (blue-blind)

#005D77

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #4739bd;
/* rgb */ color: rgb(71, 57, 189);
/* oklch */ color: oklch(44.9% 0.197 279.7);

Tailwind

colors: {
  custom: {
    50: '#8871d2',
    500: '#4739bd',
    950: '#000000',
  },
}

SCSS

$custom: #4739bd;
$custom-light: #8871d2;
$custom-dark: #000000;

JSON

{
  "hex": "#4739bd",
  "rgb": {
    "r": 71,
    "g": 57,
    "b": 189
  },
  "hsl": {
    "h": 246.364,
    "s": 53.659,
    "l": 48.235
  },
  "oklch": {
    "l": 0.44876,
    "c": 0.19682,
    "h": 279.7
  },
  "luminance": 0.0794
}

Semantic roles & 50–950 ramp

primary

#4739BD

secondary

#C2C989

accent

#DD4BCE

background

#F9F6FD

surface

#F1ECFA

border

#CBC7D3

text

#0D0814

muted

#7E7B83

Preview Lab

Preview with #4739BD

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

Preview Lab → · Contrast checker → · Palette generator →