#4E51C0#4E51C0

#4E51C0 is a mid, vivid blue. Relative luminance 0.113; OKLCH L 49.6% C 0.170 H 277.1°. Best body text is #FFFFFF at 6.44:1 contrast (WCAG AA passes).

Color values

HEX	#4E51C0
RGB	rgb(78, 81, 192)
HSL	hsl(238, 48%, 53%)
HSV	hsv(238, 59%, 75%)
CMYK	cmyk(59.4%, 57.8%, 0%, 24.7%)
CIE-LAB	lab(40.10, 31.94, -58.83)
CIE-LCH	lch(40.10, 66.94, 298.50°)
OKLab	oklab(49.64% 0.0209 -0.1689)
OKLCH	oklch(49.64% 0.17 277.1)
XYZ	xyz(15.5957, 11.3092, 51.2200)
Luminance	0.1131 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4E51C0 #C0BD4E

analogous

#4E8AC0 #4E51C0 #844EC0

triadic

#4E51C0 #C04E51 #51C04E

tetradic

#4E51C0 #C04E8A #C0BD4E #4EC084

square

#4E51C0 #C04E8A #C0BD4E #4EC084

split-complementary

#4E51C0 #C0844E #8AC04E

monochromatic

#27296D #37399A #4E51C0 #7B7DD0 #A8AAE0

Accessibility & contrast

On white

6.44

#4E51C0 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.26

#4E51C0 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4E51C0

6.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4E51C0	#FFFFFF	#000000	##FFFFFF
##4E51C0	1.00	6.44	3.26	6.44
#FFFFFF	6.44	1.00	21.00	1.00
#000000	3.26	21.00	1.00	21.00
##FFFFFF	6.44	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0063C4

Deuteranopia (green-blind)

#005ABE

Tritanopia (blue-blind)

#006B80

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #4e51c0;
/* rgb */ color: rgb(78, 81, 192);
/* oklch */ color: oklch(49.6% 0.170 277.1);

Tailwind

colors: {
  custom: {
    50: '#8a82d4',
    500: '#4e51c0',
    950: '#000000',
  },
}

SCSS

$custom: #4e51c0;
$custom-light: #8a82d4;
$custom-dark: #000000;

JSON

{
  "hex": "#4e51c0",
  "rgb": {
    "r": 78,
    "g": 81,
    "b": 192
  },
  "hsl": {
    "h": 238.421,
    "s": 47.5,
    "l": 52.941
  },
  "oklch": {
    "l": 0.49639,
    "c": 0.17021,
    "h": 277.1
  },
  "luminance": 0.1131
}

Semantic roles & 50–950 ramp

primary

#4E51C0

secondary

#CECC9C

accent

#D451D7

background

#F9F7FD

surface

#F1EEFA

border

#CBC9D3

text

#0D0A14

muted

#7E7C83

Preview Lab

Preview with #4E51C0

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

Preview Lab → · Contrast checker → · Palette generator →