#4C51DF#4C51DF

#4C51DF is a mid, highly saturated blue. Relative luminance 0.127; OKLCH L 52.0% C 0.211 H 274.7°. Best body text is #FFFFFF at 5.92:1 contrast (WCAG AA passes).

Color values

HEX	#4C51DF
RGB	rgb(76, 81, 223)
HSL	hsl(238, 70%, 59%)
HSV	hsv(238, 66%, 87%)
CMYK	cmyk(65.9%, 63.7%, 0%, 12.5%)
CIE-LAB	lab(42.38, 41.93, -72.98)
CIE-LCH	lch(42.38, 84.16, 299.88°)
OKLab	oklab(52.04% 0.0174 -0.2105)
OKLCH	oklch(52.04% 0.211 274.7)
XYZ	xyz(19.2378, 12.7474, 71.2444)
Luminance	0.1275 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4C51DF #DFDA4C

analogous

#4C9ADF #4C51DF #904CDF

triadic

#4C51DF #DF4C51 #51DF4C

tetradic

#4C51DF #DF4C9A #DFDA4C #4CDF90

square

#4C51DF #DF4C9A #DFDA4C #4CDF90

split-complementary

#4C51DF #DF904C #9ADF4C

monochromatic

#1B1F96 #242ACA #4C51DF #8083E8 #B4B6F2

Accessibility & contrast

On white

5.92

#4C51DF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.55

#4C51DF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4C51DF

5.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4C51DF	#FFFFFF	#000000	##FFFFFF
##4C51DF	1.00	5.92	3.55	5.92
#FFFFFF	5.92	1.00	21.00	1.00
#000000	3.55	21.00	1.00	21.00
##FFFFFF	5.92	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006BE4

Deuteranopia (green-blind)

#005DDC

Tritanopia (blue-blind)

#007691

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #4c51df;
/* rgb */ color: rgb(76, 81, 223);
/* oklch */ color: oklch(52.0% 0.211 274.7);

Tailwind

colors: {
  custom: {
    50: '#8f82ea',
    500: '#4c51df',
    950: '#000000',
  },
}

SCSS

$custom: #4c51df;
$custom-light: #8f82ea;
$custom-dark: #000000;

JSON

{
  "hex": "#4c51df",
  "rgb": {
    "r": 76,
    "g": 81,
    "b": 223
  },
  "hsl": {
    "h": 237.959,
    "s": 69.668,
    "l": 58.627
  },
  "oklch": {
    "l": 0.5204,
    "c": 0.21125,
    "h": 274.7
  },
  "luminance": 0.12749
}

Semantic roles & 50–950 ramp

primary

#4C51DF

secondary

#E0DEA6

accent

#E63BEC

background

#F9F8FE

surface

#F2EFFD

border

#CCCAD5

text

#0E0A16

muted

#7E7C84

Preview Lab

Preview with #4C51DF

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

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