#4738B5#4738B5

#4738B5 is a dark, vivid blue. Relative luminance 0.075; OKLCH L 44.0% C 0.188 H 280.8°. Best body text is #FFFFFF at 8.40:1 contrast (WCAG AA passes).

Color values

HEX	#4738B5
RGB	rgb(71, 56, 181)
HSL	hsl(247, 53%, 46%)
HSV	hsv(247, 69%, 71%)
CMYK	cmyk(60.8%, 69.1%, 0%, 29%)
CIE-LAB	lab(32.93, 42.36, -64.07)
CIE-LCH	lch(32.93, 76.81, 303.47°)
OKLab	oklab(43.99% 0.0352 -0.1846)
OKLCH	oklch(43.99% 0.188 280.8)
XYZ	xyz(12.3506, 7.5033, 44.5045)
Luminance	0.0750 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Ocean Blue

#4F42B5

ΔE00 2.76

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4738B5 #A6B538

analogous

#3868B5 #4738B5 #8638B5

triadic

#4738B5 #B54738 #38B547

tetradic

#4738B5 #B53868 #A6B538 #38B586

square

#4738B5 #B53868 #A6B538 #38B586

split-complementary

#4738B5 #B58638 #68B538

monochromatic

#221B58 #352A86 #4738B5 #6B5DCD #968CDB

Accessibility & contrast

On white

8.40

#4738B5 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.50

#4738B5 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4738B5

8.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4738B5	#FFFFFF	#000000	##FFFFFF
##4738B5	1.00	8.40	2.50	8.40
#FFFFFF	8.40	1.00	21.00	1.00
#000000	2.50	21.00	1.00	21.00
##FFFFFF	8.40	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0052B9

Deuteranopia (green-blind)

#0049B3

Tritanopia (blue-blind)

#005972

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #4738b5;
/* rgb */ color: rgb(71, 56, 181);
/* oklch */ color: oklch(44.0% 0.188 280.8);

Tailwind

colors: {
  custom: {
    50: '#8770cc',
    500: '#4738b5',
    950: '#000000',
  },
}

SCSS

$custom: #4738b5;
$custom-light: #8770cc;
$custom-dark: #000000;

JSON

{
  "hex": "#4738b5",
  "rgb": {
    "r": 71,
    "g": 56,
    "b": 181
  },
  "hsl": {
    "h": 247.2,
    "s": 52.743,
    "l": 46.471
  },
  "oklch": {
    "l": 0.43989,
    "c": 0.18795,
    "h": 280.8
  },
  "luminance": 0.07504
}

Semantic roles & 50–950 ramp

primary

#4738B5

secondary

#BEC683

accent

#DC4CCB

background

#F8F6FC

surface

#F0ECF9

border

#CBC7D2

text

#0C0713

muted

#7D7A82

Preview Lab

Preview with #4738B5

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

Preview Lab → · Contrast checker → · Palette generator →