#4E51CC#4E51CC

#4E51CC is a mid, vivid blue. Relative luminance 0.119; OKLCH L 50.6% C 0.186 H 276.4°. Best body text is #FFFFFF at 6.23:1 contrast (WCAG AA passes).

Color values

HEX	#4E51CC
RGB	rgb(78, 81, 204)
HSL	hsl(239, 55%, 55%)
HSV	hsv(239, 62%, 80%)
CMYK	cmyk(61.8%, 60.3%, 0%, 20%)
CIE-LAB	lab(41.00, 35.92, -64.33)
CIE-LCH	lch(41.00, 73.68, 299.18°)
OKLab	oklab(50.59% 0.0207 -0.1851)
OKLCH	oklch(50.59% 0.186 276.4)
XYZ	xyz(16.9799, 11.8628, 58.5100)
Luminance	0.1186 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4E51CC #CCC94E

analogous

#4E90CC #4E51CC #8A4ECC

triadic

#4E51CC #CC4E51 #51CC4E

tetradic

#4E51CC #CC4E90 #CCC94E #4ECC8A

square

#4E51CC #CC4E90 #CCC94E #4ECC8A

split-complementary

#4E51CC #CC8A4E #90CC4E

monochromatic

#24267C #3134AB #4E51CC #7E80DA #ADAEE7

Accessibility & contrast

On white

6.23

#4E51CC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.37

#4E51CC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4E51CC

6.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4E51CC	#FFFFFF	#000000	##FFFFFF
##4E51CC	1.00	6.23	3.37	6.23
#FFFFFF	6.23	1.00	21.00	1.00
#000000	3.37	21.00	1.00	21.00
##FFFFFF	6.23	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0066D0

Deuteranopia (green-blind)

#005BCA

Tritanopia (blue-blind)

#006F87

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #4e51cc;
/* rgb */ color: rgb(78, 81, 204);
/* oklch */ color: oklch(50.6% 0.186 276.4);

Tailwind

colors: {
  custom: {
    50: '#8c82dc',
    500: '#4e51cc',
    950: '#000000',
  },
}

SCSS

$custom: #4e51cc;
$custom-light: #8c82dc;
$custom-dark: #000000;

JSON

{
  "hex": "#4e51cc",
  "rgb": {
    "r": 78,
    "g": 81,
    "b": 204
  },
  "hsl": {
    "h": 238.571,
    "s": 55.263,
    "l": 55.294
  },
  "oklch": {
    "l": 0.50589,
    "c": 0.18626,
    "h": 276.4
  },
  "luminance": 0.11864
}

Semantic roles & 50–950 ramp

primary

#4E51CC

secondary

#D5D4A1

accent

#DB49DF

background

#F9F7FD

surface

#F1EEFB

border

#CBC9D4

text

#0D0A15

muted

#7E7C83

Preview Lab

Preview with #4E51CC

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

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