#4E51CA#4E51CA

#4E51CA is a mid, vivid blue. Relative luminance 0.118; OKLCH L 50.4% C 0.184 H 276.5°. Best body text is #FFFFFF at 6.26:1 contrast (WCAG AA passes).

Color values

HEX	#4E51CA
RGB	rgb(78, 81, 202)
HSL	hsl(239, 54%, 55%)
HSV	hsv(239, 61%, 79%)
CMYK	cmyk(61.4%, 59.9%, 0%, 20.8%)
CIE-LAB	lab(40.84, 35.26, -63.42)
CIE-LCH	lch(40.84, 72.56, 299.07°)
OKLab	oklab(50.43% 0.0208 -0.1824)
OKLCH	oklch(50.43% 0.184 276.5)
XYZ	xyz(16.7415, 11.7675, 57.2548)
Luminance	0.1177 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4E51CA #CAC74E

analogous

#4E8FCA #4E51CA #894ECA

triadic

#4E51CA #CA4E51 #51CA4E

tetradic

#4E51CA #CA4E8F #CAC74E #4ECA89

square

#4E51CA #CA4E8F #CAC74E #4ECA89

split-complementary

#4E51CA #CA894E #8FCA4E

monochromatic

#242679 #3235A8 #4E51CA #7D7FD8 #ACAEE6

Accessibility & contrast

On white

6.26

#4E51CA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.35

#4E51CA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4E51CA

6.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4E51CA	#FFFFFF	#000000	##FFFFFF
##4E51CA	1.00	6.26	3.35	6.26
#FFFFFF	6.26	1.00	21.00	1.00
#000000	3.35	21.00	1.00	21.00
##FFFFFF	6.26	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0066CE

Deuteranopia (green-blind)

#005BC8

Tritanopia (blue-blind)

#006F86

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #4e51ca;
/* rgb */ color: rgb(78, 81, 202);
/* oklch */ color: oklch(50.4% 0.184 276.5);

Tailwind

colors: {
  custom: {
    50: '#8c82db',
    500: '#4e51ca',
    950: '#000000',
  },
}

SCSS

$custom: #4e51ca;
$custom-light: #8c82db;
$custom-dark: #000000;

JSON

{
  "hex": "#4e51ca",
  "rgb": {
    "r": 78,
    "g": 81,
    "b": 202
  },
  "hsl": {
    "h": 238.548,
    "s": 53.913,
    "l": 54.902
  },
  "oklch": {
    "l": 0.50428,
    "c": 0.18361,
    "h": 276.5
  },
  "luminance": 0.11769
}

Semantic roles & 50–950 ramp

primary

#4E51CA

secondary

#D4D3A0

accent

#DA4BDD

background

#F9F7FD

surface

#F1EEFB

border

#CBC9D4

text

#0D0A15

muted

#7E7C83

Preview Lab

Preview with #4E51CA

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

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