#4978E4#4978E4

#4978E4 is a mid, vivid blue. Relative luminance 0.205; OKLCH L 59.6% C 0.172 H 264.2°. Best body text is #000000 at 5.09:1 contrast (WCAG AA passes).

Color values

HEX	#4978E4
RGB	rgb(73, 120, 228)
HSL	hsl(222, 74%, 59%)
HSV	hsv(222, 68%, 89%)
CMYK	cmyk(68%, 47.4%, 0%, 10.6%)
CIE-LAB	lab(52.34, 19.08, -59.66)
CIE-LCH	lch(52.34, 62.63, 287.74°)
OKLab	oklab(59.57% -0.0174 -0.171)
OKLCH	oklch(59.57% 0.172 264.2)
XYZ	xyz(23.4628, 20.4485, 76.0942)
Luminance	0.2045 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4978E4 #E4B549

analogous

#49C6E4 #4978E4 #6849E4

triadic

#4978E4 #E44978 #78E449

tetradic

#4978E4 #E449C6 #E4B549 #49E468

square

#4978E4 #E449C6 #E4B549 #49E468

split-complementary

#4978E4 #E46849 #C6E449

monochromatic

#173F9C #1F55D1 #4978E4 #7EA0EC #B4C7F4

Accessibility & contrast

On white

4.13

#4978E4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.09

#4978E4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4978E4

5.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4978E4	#FFFFFF	#000000	##000000
##4978E4	1.00	4.13	5.09	5.09
#FFFFFF	4.13	1.00	21.00	21.00
#000000	5.09	21.00	1.00	1.00
##000000	5.09	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#3E84E8

Deuteranopia (green-blind)

#1876E2

Tritanopia (blue-blind)

#0091A3

Achromatopsia (no color)

#7D7D7D

Design tokens & code

CSS

--color: #4978e4;
/* rgb */ color: rgb(73, 120, 228);
/* oklch */ color: oklch(59.6% 0.172 264.2);

Tailwind

colors: {
  custom: {
    50: '#8c9eed',
    500: '#4978e4',
    950: '#000000',
  },
}

SCSS

$custom: #4978e4;
$custom-light: #8c9eed;
$custom-dark: #000000;

JSON

{
  "hex": "#4978e4",
  "rgb": {
    "r": 73,
    "g": 120,
    "b": 228
  },
  "hsl": {
    "h": 221.806,
    "s": 74.163,
    "l": 59.02
  },
  "oklch": {
    "l": 0.59572,
    "c": 0.17187,
    "h": 264.2
  },
  "luminance": 0.20451
}

Semantic roles & 50–950 ramp

primary

#4978E4

secondary

#E3D0A6

accent

#B837F1

background

#F9F9FE

surface

#F2F2FD

border

#CCCCD5

text

#0D0E16

muted

#7E7E84

Preview Lab

Preview with #4978E4

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

Preview Lab → · Contrast checker → · Palette generator →