#4751E4#4751E4

#4751E4 is a mid, highly saturated blue. Relative luminance 0.128; OKLCH L 52.2% C 0.219 H 273.0°. Best body text is #FFFFFF at 5.89:1 contrast (WCAG AA passes).

Color values

HEX	#4751E4
RGB	rgb(71, 81, 228)
HSL	hsl(236, 74%, 59%)
HSV	hsv(236, 69%, 89%)
CMYK	cmyk(68.9%, 64.5%, 0%, 10.6%)
CIE-LAB	lab(42.50, 42.96, -75.64)
CIE-LCH	lch(42.50, 86.99, 299.59°)
OKLab	oklab(52.18% 0.0115 -0.2185)
OKLCH	oklch(52.18% 0.219 273)
XYZ	xyz(19.5399, 12.8240, 74.8293)
Luminance	0.1283 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4751E4 #E4DA47

analogous

#479FE4 #4751E4 #8B47E4

triadic

#4751E4 #E44751 #51E447

tetradic

#4751E4 #E4479F #E4DA47 #47E48B

square

#4751E4 #E4479F #E4DA47 #47E48B

split-complementary

#4751E4 #E48B47 #9FE447

monochromatic

#171F9A #1E2ACF #4751E4 #7C83EC #B2B6F4

Accessibility & contrast

On white

5.89

#4751E4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.57

#4751E4 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4751E4

5.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4751E4	#FFFFFF	#000000	##FFFFFF
##4751E4	1.00	5.89	3.57	5.89
#FFFFFF	5.89	1.00	21.00	1.00
#000000	3.57	21.00	1.00	21.00
##FFFFFF	5.89	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006CE9

Deuteranopia (green-blind)

#005DE1

Tritanopia (blue-blind)

#007893

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #4751e4;
/* rgb */ color: rgb(71, 81, 228);
/* oklch */ color: oklch(52.2% 0.219 273.0);

Tailwind

colors: {
  custom: {
    50: '#8e82ee',
    500: '#4751e4',
    950: '#000000',
  },
}

SCSS

$custom: #4751e4;
$custom-light: #8e82ee;
$custom-dark: #000000;

JSON

{
  "hex": "#4751e4",
  "rgb": {
    "r": 71,
    "g": 81,
    "b": 228
  },
  "hsl": {
    "h": 236.178,
    "s": 74.408,
    "l": 58.627
  },
  "oklch": {
    "l": 0.52175,
    "c": 0.21876,
    "h": 273
  },
  "luminance": 0.12826
}

Semantic roles & 50–950 ramp

primary

#4751E4

secondary

#E2DEA4

accent

#E537F1

background

#F9F8FE

surface

#F2EFFD

border

#CCCAD5

text

#0E0A16

muted

#7E7C84

Preview Lab

Preview with #4751E4

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

Preview Lab → · Contrast checker → · Palette generator →