#4C51E2#4C51E2

#4C51E2 is a mid, highly saturated blue. Relative luminance 0.129; OKLCH L 52.3% C 0.215 H 274.6°. Best body text is #FFFFFF at 5.86:1 contrast (WCAG AA passes).

Color values

HEX	#4C51E2
RGB	rgb(76, 81, 226)
HSL	hsl(238, 72%, 59%)
HSV	hsv(238, 66%, 89%)
CMYK	cmyk(66.4%, 64.2%, 0%, 11.4%)
CIE-LAB	lab(42.63, 42.92, -74.28)
CIE-LCH	lch(42.63, 85.79, 300.02°)
OKLab	oklab(52.3% 0.0172 -0.2143)
OKLCH	oklch(52.3% 0.215 274.6)
XYZ	xyz(19.6458, 12.9106, 73.3934)
Luminance	0.1291 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4C51E2 #E2DD4C

analogous

#4C9CE2 #4C51E2 #924CE2

triadic

#4C51E2 #E24C51 #51E24C

tetradic

#4C51E2 #E24C9C #E2DD4C #4CE292

square

#4C51E2 #E24C9C #E2DD4C #4CE292

split-complementary

#4C51E2 #E2924C #9CE24C

monochromatic

#191D9B #2227CF #4C51E2 #8184EB #B5B7F3

Accessibility & contrast

On white

5.86

#4C51E2 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.58

#4C51E2 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4C51E2

5.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4C51E2	#FFFFFF	#000000	##FFFFFF
##4C51E2	1.00	5.86	3.58	5.86
#FFFFFF	5.86	1.00	21.00	1.00
#000000	3.58	21.00	1.00	21.00
##FFFFFF	5.86	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006BE7

Deuteranopia (green-blind)

#005EDF

Tritanopia (blue-blind)

#007792

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #4c51e2;
/* rgb */ color: rgb(76, 81, 226);
/* oklch */ color: oklch(52.3% 0.215 274.6);

Tailwind

colors: {
  custom: {
    50: '#9082ec',
    500: '#4c51e2',
    950: '#000000',
  },
}

SCSS

$custom: #4c51e2;
$custom-light: #9082ec;
$custom-dark: #000000;

JSON

{
  "hex": "#4c51e2",
  "rgb": {
    "r": 76,
    "g": 81,
    "b": 226
  },
  "hsl": {
    "h": 238,
    "s": 72.115,
    "l": 59.216
  },
  "oklch": {
    "l": 0.52298,
    "c": 0.21504,
    "h": 274.6
  },
  "luminance": 0.12912
}

Semantic roles & 50–950 ramp

primary

#4C51E2

secondary

#E2E0A8

accent

#E939EF

background

#F9F8FE

surface

#F2EFFD

border

#CCCAD5

text

#0E0A16

muted

#7E7C84

Preview Lab

Preview with #4C51E2

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

Preview Lab → · Contrast checker → · Palette generator →