#4751D4#4751D4

#4751D4 is a mid, vivid blue. Relative luminance 0.120; OKLCH L 50.8% C 0.198 H 273.6°. Best body text is #FFFFFF at 6.18:1 contrast (WCAG AA passes).

Color values

HEX	#4751D4
RGB	rgb(71, 81, 212)
HSL	hsl(236, 62%, 55%)
HSV	hsv(236, 67%, 83%)
CMYK	cmyk(66.5%, 61.8%, 0%, 16.9%)
CIE-LAB	lab(41.18, 37.56, -68.66)
CIE-LCH	lch(41.18, 78.26, 298.68°)
OKLab	oklab(50.8% 0.0125 -0.198)
OKLCH	oklch(50.8% 0.198 273.6)
XYZ	xyz(17.4207, 11.9763, 63.6682)
Luminance	0.1198 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4751D4 #D4CA47

analogous

#4797D4 #4751D4 #8447D4

triadic

#4751D4 #D44751 #51D447

tetradic

#4751D4 #D44797 #D4CA47 #47D484

square

#4751D4 #D44797 #D4CA47 #47D484

split-complementary

#4751D4 #D48447 #97D447

monochromatic

#1E2582 #2A34B4 #4751D4 #7980E0 #AAAFEB

Accessibility & contrast

On white

6.18

#4751D4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.40

#4751D4 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4751D4

6.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4751D4	#FFFFFF	#000000	##FFFFFF
##4751D4	1.00	6.18	3.40	6.18
#FFFFFF	6.18	1.00	21.00	1.00
#000000	3.40	21.00	1.00	21.00
##FFFFFF	6.18	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0068D8

Deuteranopia (green-blind)

#005BD1

Tritanopia (blue-blind)

#00728B

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #4751d4;
/* rgb */ color: rgb(71, 81, 212);
/* oklch */ color: oklch(50.8% 0.198 273.6);

Tailwind

colors: {
  custom: {
    50: '#8b82e2',
    500: '#4751d4',
    950: '#000000',
  },
}

SCSS

$custom: #4751d4;
$custom-light: #8b82e2;
$custom-dark: #000000;

JSON

{
  "hex": "#4751d4",
  "rgb": {
    "r": 71,
    "g": 81,
    "b": 212
  },
  "hsl": {
    "h": 235.745,
    "s": 62.115,
    "l": 55.49
  },
  "oklch": {
    "l": 0.50801,
    "c": 0.19839,
    "h": 273.6
  },
  "luminance": 0.11978
}

Semantic roles & 50–950 ramp

primary

#4751D4

secondary

#D9D59E

accent

#DA43E5

background

#F9F7FE

surface

#F1EEFC

border

#CBC9D5

text

#0D0A15

muted

#7E7C84

Preview Lab

Preview with #4751D4

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

Preview Lab → · Contrast checker → · Palette generator →