#4739C8#4739C8

#4739C8 is a mid, highly saturated blue. Relative luminance 0.084; OKLCH L 45.9% C 0.210 H 278.5°. Best body text is #FFFFFF at 7.81:1 contrast (WCAG AA passes).

Color values

HEX	#4739C8
RGB	rgb(71, 57, 200)
HSL	hsl(246, 57%, 50%)
HSV	hsv(246, 72%, 78%)
CMYK	cmyk(64.5%, 71.5%, 0%, 21.6%)
CIE-LAB	lab(34.87, 47.79, -72.05)
CIE-LCH	lch(34.87, 86.46, 303.55°)
OKLab	oklab(45.91% 0.0312 -0.208)
OKLCH	oklch(45.91% 0.21 278.5)
XYZ	xyz(14.4836, 8.4348, 55.4972)
Luminance	0.0844 (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

#4739C8 #BAC839

analogous

#3972C8 #4739C8 #8E39C8

triadic

#4739C8 #C84739 #39C847

tetradic

#4739C8 #C83972 #BAC839 #39C88E

square

#4739C8 #C83972 #BAC839 #39C88E

split-complementary

#4739C8 #C88E39 #72C839

monochromatic

#251D69 #352B99 #4739C8 #7469D5 #A099E3

Accessibility & contrast

On white

7.81

#4739C8 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.69

#4739C8 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4739C8

7.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4739C8	#FFFFFF	#000000	##FFFFFF
##4739C8	1.00	7.81	2.69	7.81
#FFFFFF	7.81	1.00	21.00	1.00
#000000	2.69	21.00	1.00	21.00
##FFFFFF	7.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0058CC

Deuteranopia (green-blind)

#004CC5

Tritanopia (blue-blind)

#00617D

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #4739c8;
/* rgb */ color: rgb(71, 57, 200);
/* oklch */ color: oklch(45.9% 0.210 278.5);

Tailwind

colors: {
  custom: {
    50: '#8a71da',
    500: '#4739c8',
    950: '#000000',
  },
}

SCSS

$custom: #4739c8;
$custom-light: #8a71da;
$custom-dark: #000000;

JSON

{
  "hex": "#4739c8",
  "rgb": {
    "r": 71,
    "g": 57,
    "b": 200
  },
  "hsl": {
    "h": 245.874,
    "s": 56.522,
    "l": 50.392
  },
  "oklch": {
    "l": 0.45912,
    "c": 0.21029,
    "h": 278.5
  },
  "luminance": 0.08436
}

Semantic roles & 50–950 ramp

primary

#4739C8

secondary

#C8CE8F

accent

#E048D1

background

#F9F7FD

surface

#F1EDFB

border

#CBC8D4

text

#0D0815

muted

#7E7B83

Preview Lab

Preview with #4739C8

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

Preview Lab → · Contrast checker → · Palette generator →