#4C81E4#4C81E4

#4C81E4 is a mid, vivid blue. Relative luminance 0.228; OKLCH L 61.6% C 0.160 H 261.7°. Best body text is #000000 at 5.57:1 contrast (WCAG AA passes).

Color values

HEX	#4C81E4
RGB	rgb(76, 129, 228)
HSL	hsl(219, 74%, 60%)
HSV	hsv(219, 67%, 89%)
CMYK	cmyk(66.7%, 43.4%, 0%, 10.6%)
CIE-LAB	lab(54.90, 14.01, -55.54)
CIE-LCH	lch(54.90, 57.28, 284.16°)
OKLab	oklab(61.58% -0.0232 -0.1587)
OKLCH	oklch(61.58% 0.16 261.7)
XYZ	xyz(24.8294, 22.8360, 76.4830)
Luminance	0.2284 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4C81E4 #E4AF4C

analogous

#4CCDE4 #4C81E4 #634CE4

triadic

#4C81E4 #E44C81 #81E44C

tetradic

#4C81E4 #E44CCD #E4AF4C #4CE463

square

#4C81E4 #E44CCD #E4AF4C #4CE463

split-complementary

#4C81E4 #E4634C #CDE44C

monochromatic

#18479E #205ED3 #4C81E4 #81A6EC #B6CCF4

Accessibility & contrast

On white

3.77

#4C81E4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.57

#4C81E4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4C81E4

5.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4C81E4	#FFFFFF	#000000	##000000
##4C81E4	1.00	3.77	5.57	5.57
#FFFFFF	3.77	1.00	21.00	21.00
#000000	5.57	21.00	1.00	1.00
##000000	5.57	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#518BE8

Deuteranopia (green-blind)

#377DE2

Tritanopia (blue-blind)

#0098A7

Achromatopsia (no color)

#838383

Design tokens & code

CSS

--color: #4c81e4;
/* rgb */ color: rgb(76, 129, 228);
/* oklch */ color: oklch(61.6% 0.160 261.7);

Tailwind

colors: {
  custom: {
    50: '#8da5ed',
    500: '#4c81e4',
    950: '#000000',
  },
}

SCSS

$custom: #4c81e4;
$custom-light: #8da5ed;
$custom-dark: #000000;

JSON

{
  "hex": "#4c81e4",
  "rgb": {
    "r": 76,
    "g": 129,
    "b": 228
  },
  "hsl": {
    "h": 219.079,
    "s": 73.786,
    "l": 59.608
  },
  "oklch": {
    "l": 0.61575,
    "c": 0.16038,
    "h": 261.7
  },
  "luminance": 0.22838
}

Semantic roles & 50–950 ramp

primary

#4C81E4

secondary

#E3CFA8

accent

#B037F0

background

#F9FAFE

surface

#F2F4FD

border

#CCCED5

text

#0D0F16

muted

#7E7F84

Preview Lab

Preview with #4C81E4

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

Preview Lab → · Contrast checker → · Palette generator →