#4C81F7#4C81F7

#4C81F7 is a light, vivid blue. Relative luminance 0.240; OKLCH L 62.8% C 0.186 H 263.7°. Best body text is #000000 at 5.79:1 contrast (WCAG AA passes).

Color values

HEX	#4C81F7
RGB	rgb(76, 129, 247)
HSL	hsl(221, 91%, 63%)
HSV	hsv(221, 69%, 97%)
CMYK	cmyk(69.2%, 47.8%, 0%, 3.1%)
CIE-LAB	lab(56.04, 20.65, -64.29)
CIE-LCH	lch(56.04, 67.52, 287.81°)
OKLab	oklab(62.81% -0.0203 -0.1844)
OKLCH	oklch(62.81% 0.186 263.7)
XYZ	xyz(27.6133, 23.9496, 91.1451)
Luminance	0.2395 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4C81F7 #F7C24C

analogous

#4CD6F7 #4C81F7 #6C4CF7

triadic

#4C81F7 #F74C81 #81F74C

tetradic

#4C81F7 #F74CD6 #F7C24C #4CF76C

square

#4C81F7 #F74CD6 #F7C24C #4CF76C

split-complementary

#4C81F7 #F76C4C #D6F74C

monochromatic

#0941C0 #1158F4 #4C81F7 #87AAFA #C1D3FC

Accessibility & contrast

On white

3.63

#4C81F7 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.79

#4C81F7 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4C81F7

5.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4C81F7	#FFFFFF	#000000	##000000
##4C81F7	1.00	3.63	5.79	5.79
#FFFFFF	3.63	1.00	21.00	21.00
#000000	5.79	21.00	1.00	1.00
##000000	5.79	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#408FFB

Deuteranopia (green-blind)

#0B7FF5

Tritanopia (blue-blind)

#009DB0

Achromatopsia (no color)

#868686

Design tokens & code

CSS

--color: #4c81f7;
/* rgb */ color: rgb(76, 129, 247);
/* oklch */ color: oklch(62.8% 0.186 263.7);

Tailwind

colors: {
  custom: {
    50: '#91a5fa',
    500: '#4c81f7',
    950: '#000000',
  },
}

SCSS

$custom: #4c81f7;
$custom-light: #91a5fa;
$custom-dark: #000000;

JSON

{
  "hex": "#4c81f7",
  "rgb": {
    "r": 76,
    "g": 129,
    "b": 247
  },
  "hsl": {
    "h": 221.404,
    "s": 91.444,
    "l": 63.333
  },
  "oklch": {
    "l": 0.62811,
    "c": 0.18553,
    "h": 263.7
  },
  "luminance": 0.23952
}

Semantic roles & 50–950 ramp

primary

#4C81F7

secondary

#EEDBB1

accent

#9E00E6

background

#F9FAFF

surface

#F2F4FF

border

#CCCED7

text

#0E0F17

muted

#7E7F85

Preview Lab

Preview with #4C81F7

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

Preview Lab → · Contrast checker → · Palette generator →