#4739AE#4739AE

#4739AE is a dark, vivid blue. Relative luminance 0.073; OKLCH L 43.5% C 0.178 H 281.5°. Best body text is #FFFFFF at 8.52:1 contrast (WCAG AA passes).

Color values

HEX	#4739AE
RGB	rgb(71, 57, 174)
HSL	hsl(247, 51%, 45%)
HSV	hsv(247, 67%, 68%)
CMYK	cmyk(59.2%, 67.2%, 0%, 31.8%)
CIE-LAB	lab(32.53, 39.55, -60.56)
CIE-LCH	lch(32.53, 72.33, 303.15°)
OKLab	oklab(43.51% 0.0354 -0.1743)
OKLCH	oklch(43.51% 0.178 281.5)
XYZ	xyz(11.6993, 7.3210, 40.8328)
Luminance	0.0732 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Ocean Blue

#4F42B5

ΔE00 2.72

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4739AE #A0AE39

analogous

#3966AE #4739AE #8139AE

triadic

#4739AE #AE4739 #39AE47

tetradic

#4739AE #AE3966 #A0AE39 #39AE81

square

#4739AE #AE3966 #A0AE39 #39AE81

split-complementary

#4739AE #AE8139 #66AE39

monochromatic

#211B52 #342A80 #4739AE #685BC9 #9389D8

Accessibility & contrast

On white

8.52

#4739AE on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.46

#4739AE on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4739AE

8.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4739AE	#FFFFFF	#000000	##FFFFFF
##4739AE	1.00	8.52	2.46	8.52
#FFFFFF	8.52	1.00	21.00	1.00
#000000	2.46	21.00	1.00	21.00
##FFFFFF	8.52	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0051B2

Deuteranopia (green-blind)

#0048AC

Tritanopia (blue-blind)

#01576E

Achromatopsia (no color)

#4C4C4C

Design tokens & code

CSS

--color: #4739ae;
/* rgb */ color: rgb(71, 57, 174);
/* oklch */ color: oklch(43.5% 0.178 281.5);

Tailwind

colors: {
  custom: {
    50: '#8570c7',
    500: '#4739ae',
    950: '#000000',
  },
}

SCSS

$custom: #4739ae;
$custom-light: #8570c7;
$custom-dark: #000000;

JSON

{
  "hex": "#4739ae",
  "rgb": {
    "r": 71,
    "g": 57,
    "b": 174
  },
  "hsl": {
    "h": 247.179,
    "s": 50.649,
    "l": 45.294
  },
  "oklch": {
    "l": 0.43513,
    "c": 0.17788,
    "h": 281.5
  },
  "luminance": 0.07322
}

Semantic roles & 50–950 ramp

primary

#4739AE

secondary

#BBC380

accent

#DA4EC9

background

#F8F6FC

surface

#F0ECF8

border

#CBC7D1

text

#0C0713

muted

#7D7A82

Preview Lab

Preview with #4739AE

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

Preview Lab → · Contrast checker → · Palette generator →