#4E51D0#4E51D0

#4E51D0 is a mid, vivid blue. Relative luminance 0.121; OKLCH L 50.9% C 0.192 H 276.2°. Best body text is #FFFFFF at 6.16:1 contrast (WCAG AA passes).

Color values

HEX	#4E51D0
RGB	rgb(78, 81, 208)
HSL	hsl(239, 58%, 56%)
HSV	hsv(239, 63%, 82%)
CMYK	cmyk(62.5%, 61.1%, 0%, 18.4%)
CIE-LAB	lab(41.31, 37.25, -66.13)
CIE-LCH	lch(41.31, 75.90, 299.39°)
OKLab	oklab(50.91% 0.0206 -0.1904)
OKLCH	oklch(50.91% 0.192 276.2)
XYZ	xyz(17.4658, 12.0572, 61.0691)
Luminance	0.1206 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4E51D0 #D0CD4E

analogous

#4E92D0 #4E51D0 #8C4ED0

triadic

#4E51D0 #D04E51 #51D04E

tetradic

#4E51D0 #D04E92 #D0CD4E #4ED08C

square

#4E51D0 #D04E92 #D0CD4E #4ED08C

split-complementary

#4E51D0 #D08C4E #92D04E

monochromatic

#222581 #2F32B2 #4E51D0 #7E81DD #AFB0EA

Accessibility & contrast

On white

6.16

#4E51D0 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.41

#4E51D0 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4E51D0

6.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4E51D0	#FFFFFF	#000000	##FFFFFF
##4E51D0	1.00	6.16	3.41	6.16
#FFFFFF	6.16	1.00	21.00	1.00
#000000	3.41	21.00	1.00	21.00
##FFFFFF	6.16	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0067D4

Deuteranopia (green-blind)

#005CCD

Tritanopia (blue-blind)

#007189

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #4e51d0;
/* rgb */ color: rgb(78, 81, 208);
/* oklch */ color: oklch(50.9% 0.192 276.2);

Tailwind

colors: {
  custom: {
    50: '#8d82df',
    500: '#4e51d0',
    950: '#000000',
  },
}

SCSS

$custom: #4e51d0;
$custom-light: #8d82df;
$custom-dark: #000000;

JSON

{
  "hex": "#4e51d0",
  "rgb": {
    "r": 78,
    "g": 81,
    "b": 208
  },
  "hsl": {
    "h": 238.615,
    "s": 58.036,
    "l": 56.078
  },
  "oklch": {
    "l": 0.50913,
    "c": 0.1915,
    "h": 276.2
  },
  "luminance": 0.12059
}

Semantic roles & 50–950 ramp

primary

#4E51D0

secondary

#D8D7A2

accent

#DE47E1

background

#F9F7FD

surface

#F2EEFB

border

#CCC9D4

text

#0D0A15

muted

#7E7C83

Preview Lab

Preview with #4E51D0

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

Preview Lab → · Contrast checker → · Palette generator →