#4E51C8#4E51C8

#4E51C8 is a mid, vivid blue. Relative luminance 0.117; OKLCH L 50.3% C 0.181 H 276.6°. Best body text is #FFFFFF at 6.30:1 contrast (WCAG AA passes).

Color values

HEX	#4E51C8
RGB	rgb(78, 81, 200)
HSL	hsl(239, 53%, 55%)
HSV	hsv(239, 61%, 78%)
CMYK	cmyk(61%, 59.5%, 0%, 21.6%)
CIE-LAB	lab(40.69, 34.60, -62.51)
CIE-LCH	lch(40.69, 71.45, 298.96°)
OKLab	oklab(50.27% 0.0208 -0.1797)
OKLCH	oklch(50.27% 0.181 276.6)
XYZ	xyz(16.5063, 11.6734, 56.0157)
Luminance	0.1168 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4E51C8 #C8C54E

analogous

#4E8EC8 #4E51C8 #884EC8

triadic

#4E51C8 #C84E51 #51C84E

tetradic

#4E51C8 #C84E8E #C8C54E #4EC888

square

#4E51C8 #C84E8E #C8C54E #4EC888

split-complementary

#4E51C8 #C8884E #8EC84E

monochromatic

#252777 #3336A5 #4E51C8 #7D7FD7 #ABADE5

Accessibility & contrast

On white

6.30

#4E51C8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.34

#4E51C8 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4E51C8

6.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4E51C8	#FFFFFF	#000000	##FFFFFF
##4E51C8	1.00	6.30	3.34	6.30
#FFFFFF	6.30	1.00	21.00	1.00
#000000	3.34	21.00	1.00	21.00
##FFFFFF	6.30	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0065CC

Deuteranopia (green-blind)

#005BC6

Tritanopia (blue-blind)

#006E85

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #4e51c8;
/* rgb */ color: rgb(78, 81, 200);
/* oklch */ color: oklch(50.3% 0.181 276.6);

Tailwind

colors: {
  custom: {
    50: '#8c82da',
    500: '#4e51c8',
    950: '#000000',
  },
}

SCSS

$custom: #4e51c8;
$custom-light: #8c82da;
$custom-dark: #000000;

JSON

{
  "hex": "#4e51c8",
  "rgb": {
    "r": 78,
    "g": 81,
    "b": 200
  },
  "hsl": {
    "h": 238.525,
    "s": 52.586,
    "l": 54.51
  },
  "oklch": {
    "l": 0.50268,
    "c": 0.18095,
    "h": 276.6
  },
  "luminance": 0.11675
}

Semantic roles & 50–950 ramp

primary

#4E51C8

secondary

#D3D19F

accent

#D84CDC

background

#F9F7FD

surface

#F1EEFB

border

#CBC9D4

text

#0D0A15

muted

#7E7C83

Preview Lab

Preview with #4E51C8

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

Preview Lab → · Contrast checker → · Palette generator →