#4751CC#4751CC

#4751CC is a mid, vivid blue. Relative luminance 0.116; OKLCH L 50.1% C 0.188 H 273.9°. Best body text is #FFFFFF at 6.33:1 contrast (WCAG AA passes).

Color values

HEX	#4751CC
RGB	rgb(71, 81, 204)
HSL	hsl(235, 57%, 54%)
HSV	hsv(235, 65%, 80%)
CMYK	cmyk(65.2%, 60.3%, 0%, 20%)
CIE-LAB	lab(40.54, 34.84, -65.08)
CIE-LCH	lch(40.54, 73.82, 298.16°)
OKLab	oklab(50.14% 0.0128 -0.1875)
OKLCH	oklch(50.14% 0.188 273.9)
XYZ	xyz(16.4364, 11.5826, 58.4845)
Luminance	0.1158 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4751CC #CCC247

analogous

#4794CC #4751CC #8047CC

triadic

#4751CC #CC4751 #51CC47

tetradic

#4751CC #CC4794 #CCC247 #47CC80

square

#4751CC #CC4794 #CCC247 #47CC80

split-complementary

#4751CC #CC8047 #94CC47

monochromatic

#212877 #2E37A7 #4751CC #777ED9 #A7ACE7

Accessibility & contrast

On white

6.33

#4751CC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.32

#4751CC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4751CC

6.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4751CC	#FFFFFF	#000000	##FFFFFF
##4751CC	1.00	6.33	3.32	6.33
#FFFFFF	6.33	1.00	21.00	1.00
#000000	3.32	21.00	1.00	21.00
##FFFFFF	6.33	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0066D0

Deuteranopia (green-blind)

#005ACA

Tritanopia (blue-blind)

#007087

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #4751cc;
/* rgb */ color: rgb(71, 81, 204);
/* oklch */ color: oklch(50.1% 0.188 273.9);

Tailwind

colors: {
  custom: {
    50: '#8982dc',
    500: '#4751cc',
    950: '#000000',
  },
}

SCSS

$custom: #4751cc;
$custom-light: #8982dc;
$custom-dark: #000000;

JSON

{
  "hex": "#4751cc",
  "rgb": {
    "r": 71,
    "g": 81,
    "b": 204
  },
  "hsl": {
    "h": 235.489,
    "s": 56.596,
    "l": 53.922
  },
  "oklch": {
    "l": 0.50137,
    "c": 0.18793,
    "h": 273.9
  },
  "luminance": 0.11584
}

Semantic roles & 50–950 ramp

primary

#4751CC

secondary

#D4D09B

accent

#D448E0

background

#F9F7FD

surface

#F1EEFB

border

#CBC9D4

text

#0D0A15

muted

#7E7C83

Preview Lab

Preview with #4751CC

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

Preview Lab → · Contrast checker → · Palette generator →