#4751CB#4751CB

#4751CB is a mid, vivid blue. Relative luminance 0.115; OKLCH L 50.1% C 0.187 H 273.9°. Best body text is #FFFFFF at 6.35:1 contrast (WCAG AA passes).

Color values

HEX	#4751CB
RGB	rgb(71, 81, 203)
HSL	hsl(235, 56%, 54%)
HSV	hsv(235, 65%, 80%)
CMYK	cmyk(65%, 60.1%, 0%, 20.4%)
CIE-LAB	lab(40.47, 34.50, -64.63)
CIE-LCH	lch(40.47, 73.26, 298.09°)
OKLab	oklab(50.06% 0.0128 -0.1862)
OKLCH	oklch(50.06% 0.187 273.9)
XYZ	xyz(16.3169, 11.5348, 57.8549)
Luminance	0.1154 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4751CB #CBC147

analogous

#4793CB #4751CB #7F47CB

triadic

#4751CB #CB4751 #51CB47

tetradic

#4751CB #CB4793 #CBC147 #47CB7F

square

#4751CB #CB4793 #CBC147 #47CB7F

split-complementary

#4751CB #CB7F47 #93CB47

monochromatic

#212876 #2F38A6 #4751CB #777ED8 #A6ABE6

Accessibility & contrast

On white

6.35

#4751CB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.31

#4751CB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4751CB

6.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4751CB	#FFFFFF	#000000	##FFFFFF
##4751CB	1.00	6.35	3.31	6.35
#FFFFFF	6.35	1.00	21.00	1.00
#000000	3.31	21.00	1.00	21.00
##FFFFFF	6.35	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0065CF

Deuteranopia (green-blind)

#005AC9

Tritanopia (blue-blind)

#006F86

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #4751cb;
/* rgb */ color: rgb(71, 81, 203);
/* oklch */ color: oklch(50.1% 0.187 273.9);

Tailwind

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

SCSS

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

JSON

{
  "hex": "#4751cb",
  "rgb": {
    "r": 71,
    "g": 81,
    "b": 203
  },
  "hsl": {
    "h": 235.455,
    "s": 55.932,
    "l": 53.725
  },
  "oklch": {
    "l": 0.50055,
    "c": 0.18661,
    "h": 273.9
  },
  "luminance": 0.11536
}

Semantic roles & 50–950 ramp

primary

#4751CB

secondary

#D3CF9B

accent

#D449DF

background

#F9F7FD

surface

#F1EEFB

border

#CBC9D4

text

#0D0A15

muted

#7E7C83

Preview Lab

Preview with #4751CB

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

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