#4C51DE#4C51DE

#4C51DE is a mid, highly saturated blue. Relative luminance 0.127; OKLCH L 52.0% C 0.210 H 274.8°. Best body text is #FFFFFF at 5.93:1 contrast (WCAG AA passes).

Color values

HEX	#4C51DE
RGB	rgb(76, 81, 222)
HSL	hsl(238, 69%, 58%)
HSV	hsv(238, 66%, 87%)
CMYK	cmyk(65.8%, 63.5%, 0%, 12.9%)
CIE-LAB	lab(42.30, 41.60, -72.54)
CIE-LCH	lch(42.30, 83.62, 299.83°)
OKLab	oklab(51.95% 0.0175 -0.2093)
OKLCH	oklch(51.95% 0.21 274.8)
XYZ	xyz(19.1034, 12.6936, 70.5365)
Luminance	0.1270 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4C51DE #DED94C

analogous

#4C9ADE #4C51DE #904CDE

triadic

#4C51DE #DE4C51 #51DE4C

tetradic

#4C51DE #DE4C9A #DED94C #4CDE90

square

#4C51DE #DE4C9A #DED94C #4CDE90

split-complementary

#4C51DE #DE904C #9ADE4C

monochromatic

#1B1F94 #252AC8 #4C51DE #8083E8 #B3B5F1

Accessibility & contrast

On white

5.93

#4C51DE on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.54

#4C51DE on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4C51DE

5.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4C51DE	#FFFFFF	#000000	##FFFFFF
##4C51DE	1.00	5.93	3.54	5.93
#FFFFFF	5.93	1.00	21.00	1.00
#000000	3.54	21.00	1.00	21.00
##FFFFFF	5.93	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006AE2

Deuteranopia (green-blind)

#005DDB

Tritanopia (blue-blind)

#007590

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #4c51de;
/* rgb */ color: rgb(76, 81, 222);
/* oklch */ color: oklch(52.0% 0.210 274.8);

Tailwind

colors: {
  custom: {
    50: '#8f82e9',
    500: '#4c51de',
    950: '#000000',
  },
}

SCSS

$custom: #4c51de;
$custom-light: #8f82e9;
$custom-dark: #000000;

JSON

{
  "hex": "#4c51de",
  "rgb": {
    "r": 76,
    "g": 81,
    "b": 222
  },
  "hsl": {
    "h": 237.945,
    "s": 68.868,
    "l": 58.431
  },
  "oklch": {
    "l": 0.51954,
    "c": 0.20999,
    "h": 274.8
  },
  "luminance": 0.12695
}

Semantic roles & 50–950 ramp

primary

#4C51DE

secondary

#E0DEA6

accent

#E63CEC

background

#F9F8FE

surface

#F2EFFD

border

#CCCAD5

text

#0E0A16

muted

#7E7C84

Preview Lab

Preview with #4C51DE

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

Preview Lab → · Contrast checker → · Palette generator →