#4E51E2#4E51E2

#4E51E2 is a mid, highly saturated blue. Relative luminance 0.130; OKLCH L 52.4% C 0.215 H 275.2°. Best body text is #FFFFFF at 5.83:1 contrast (WCAG AA passes).

Color values

HEX	#4E51E2
RGB	rgb(78, 81, 226)
HSL	hsl(239, 72%, 60%)
HSV	hsv(239, 65%, 89%)
CMYK	cmyk(65.5%, 64.2%, 0%, 11.4%)
CIE-LAB	lab(42.75, 43.19, -74.07)
CIE-LCH	lch(42.75, 85.74, 300.25°)
OKLab	oklab(52.42% 0.0194 -0.2137)
OKLCH	oklch(52.42% 0.215 275.2)
XYZ	xyz(19.8073, 12.9938, 73.4010)
Luminance	0.1300 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4E51E2 #E2DF4E

analogous

#4E9BE2 #4E51E2 #954EE2

triadic

#4E51E2 #E24E51 #51E24E

tetradic

#4E51E2 #E24E9B #E2DF4E #4EE295

square

#4E51E2 #E24E9B #E2DF4E #4EE295

split-complementary

#4E51E2 #E2954E #9BE24E

monochromatic

#1A1C9C #2226D1 #4E51E2 #8385EB #B7B8F3

Accessibility & contrast

On white

5.83

#4E51E2 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.60

#4E51E2 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4E51E2

5.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4E51E2	#FFFFFF	#000000	##FFFFFF
##4E51E2	1.00	5.83	3.60	5.83
#FFFFFF	5.83	1.00	21.00	1.00
#000000	3.60	21.00	1.00	21.00
##FFFFFF	5.83	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006CE7

Deuteranopia (green-blind)

#005EDF

Tritanopia (blue-blind)

#007792

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #4e51e2;
/* rgb */ color: rgb(78, 81, 226);
/* oklch */ color: oklch(52.4% 0.215 275.2);

Tailwind

colors: {
  custom: {
    50: '#9082ec',
    500: '#4e51e2',
    950: '#000000',
  },
}

SCSS

$custom: #4e51e2;
$custom-light: #9082ec;
$custom-dark: #000000;

JSON

{
  "hex": "#4e51e2",
  "rgb": {
    "r": 78,
    "g": 81,
    "b": 226
  },
  "hsl": {
    "h": 238.784,
    "s": 71.845,
    "l": 59.608
  },
  "oklch": {
    "l": 0.52422,
    "c": 0.21456,
    "h": 275.2
  },
  "luminance": 0.12996
}

Semantic roles & 50–950 ramp

primary

#4E51E2

secondary

#E3E1A9

accent

#EB39EF

background

#F9F8FE

surface

#F2EFFD

border

#CCCAD5

text

#0E0A16

muted

#7E7C84

Preview Lab

Preview with #4E51E2

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

Preview Lab → · Contrast checker → · Palette generator →