#4979E4#4979E4

#4979E4 is a mid, vivid blue. Relative luminance 0.207; OKLCH L 59.8% C 0.171 H 263.8°. Best body text is #000000 at 5.14:1 contrast (WCAG AA passes).

Color values

HEX	#4979E4
RGB	rgb(73, 121, 228)
HSL	hsl(221, 74%, 59%)
HSV	hsv(221, 68%, 89%)
CMYK	cmyk(68%, 46.9%, 0%, 10.6%)
CIE-LAB	lab(52.61, 18.46, -59.22)
CIE-LCH	lch(52.61, 62.04, 287.32°)
OKLab	oklab(59.78% -0.0183 -0.1697)
OKLCH	oklch(59.78% 0.171 263.8)
XYZ	xyz(23.5837, 20.6903, 76.1345)
Luminance	0.2069 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4979E4 #E4B449

analogous

#49C7E4 #4979E4 #6749E4

triadic

#4979E4 #E44979 #79E449

tetradic

#4979E4 #E449C7 #E4B449 #49E467

square

#4979E4 #E449C7 #E4B449 #49E467

split-complementary

#4979E4 #E46749 #C7E449

monochromatic

#17409C #1F56D1 #4979E4 #7EA0EC #B4C7F4

Accessibility & contrast

On white

4.09

#4979E4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.14

#4979E4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4979E4

5.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4979E4	#FFFFFF	#000000	##000000
##4979E4	1.00	4.09	5.14	5.14
#FFFFFF	4.09	1.00	21.00	21.00
#000000	5.14	21.00	1.00	1.00
##000000	5.14	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4185E8

Deuteranopia (green-blind)

#1D77E2

Tritanopia (blue-blind)

#0092A3

Achromatopsia (no color)

#7E7E7E

Design tokens & code

CSS

--color: #4979e4;
/* rgb */ color: rgb(73, 121, 228);
/* oklch */ color: oklch(59.8% 0.171 263.8);

Tailwind

colors: {
  custom: {
    50: '#8c9fed',
    500: '#4979e4',
    950: '#000000',
  },
}

SCSS

$custom: #4979e4;
$custom-light: #8c9fed;
$custom-dark: #000000;

JSON

{
  "hex": "#4979e4",
  "rgb": {
    "r": 73,
    "g": 121,
    "b": 228
  },
  "hsl": {
    "h": 221.419,
    "s": 74.163,
    "l": 59.02
  },
  "oklch": {
    "l": 0.59777,
    "c": 0.17069,
    "h": 263.8
  },
  "luminance": 0.20693
}

Semantic roles & 50–950 ramp

primary

#4979E4

secondary

#E3D0A6

accent

#B737F1

background

#F9F9FE

surface

#F2F2FD

border

#CCCCD5

text

#0D0E16

muted

#7E7E84

Preview Lab

Preview with #4979E4

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

Preview Lab → · Contrast checker → · Palette generator →