#4738BF#4738BF

#4738BF is a dark, highly saturated blue. Relative luminance 0.079; OKLCH L 44.9% C 0.200 H 279.6°. Best body text is #FFFFFF at 8.12:1 contrast (WCAG AA passes).

Color values

HEX	#4738BF
RGB	rgb(71, 56, 191)
HSL	hsl(247, 55%, 48%)
HSV	hsv(247, 71%, 75%)
CMYK	cmyk(62.8%, 70.7%, 0%, 25.1%)
CIE-LAB	lab(33.83, 45.52, -68.49)
CIE-LCH	lch(33.83, 82.23, 303.61°)
OKLab	oklab(44.92% 0.0335 -0.1975)
OKLCH	oklch(44.92% 0.2 279.6)
XYZ	xyz(13.4137, 7.9285, 50.1036)
Luminance	0.0793 (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

#4738BF #B0BF38

analogous

#386CBF #4738BF #8A38BF

triadic

#4738BF #BF4738 #38BF47

tetradic

#4738BF #BF386C #B0BF38 #38BF8A

square

#4738BF #BF386C #B0BF38 #38BF8A

split-complementary

#4738BF #BF8A38 #6CBF38

monochromatic

#241C60 #352A90 #4738BF #6F63D1 #9B92DF

Accessibility & contrast

On white

8.12

#4738BF on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.59

#4738BF on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4738BF

8.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4738BF	#FFFFFF	#000000	##FFFFFF
##4738BF	1.00	8.12	2.59	8.12
#FFFFFF	8.12	1.00	21.00	1.00
#000000	2.59	21.00	1.00	21.00
##FFFFFF	8.12	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0055C3

Deuteranopia (green-blind)

#004ABC

Tritanopia (blue-blind)

#005D77

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #4738bf;
/* rgb */ color: rgb(71, 56, 191);
/* oklch */ color: oklch(44.9% 0.200 279.6);

Tailwind

colors: {
  custom: {
    50: '#8870d3',
    500: '#4738bf',
    950: '#000000',
  },
}

SCSS

$custom: #4738bf;
$custom-light: #8870d3;
$custom-dark: #000000;

JSON

{
  "hex": "#4738bf",
  "rgb": {
    "r": 71,
    "g": 56,
    "b": 191
  },
  "hsl": {
    "h": 246.667,
    "s": 54.656,
    "l": 48.431
  },
  "oklch": {
    "l": 0.44916,
    "c": 0.20037,
    "h": 279.6
  },
  "luminance": 0.0793
}

Semantic roles & 50–950 ramp

primary

#4738BF

secondary

#C3CA89

accent

#DE4ACE

background

#F9F6FD

surface

#F1ECFA

border

#CBC7D3

text

#0D0814

muted

#7E7B83

Preview Lab

Preview with #4738BF

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

Preview Lab → · Contrast checker → · Palette generator →