#4778E4#4778E4

#4778E4 is a mid, vivid blue. Relative luminance 0.204; OKLCH L 59.5% C 0.172 H 263.6°. Best body text is #000000 at 5.07:1 contrast (WCAG AA passes).

Color values

HEX	#4778E4
RGB	rgb(71, 120, 228)
HSL	hsl(221, 74%, 59%)
HSV	hsv(221, 69%, 89%)
CMYK	cmyk(68.9%, 47.4%, 0%, 10.6%)
CIE-LAB	lab(52.25, 18.79, -59.80)
CIE-LCH	lch(52.25, 62.68, 287.44°)
OKLab	oklab(59.48% -0.0191 -0.1714)
OKLCH	oklch(59.48% 0.173 263.6)
XYZ	xyz(23.3137, 20.3716, 76.0872)
Luminance	0.2037 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4778E4 #E4B347

analogous

#47C6E4 #4778E4 #6447E4

triadic

#4778E4 #E44778 #78E447

tetradic

#4778E4 #E447C6 #E4B347 #47E464

square

#4778E4 #E447C6 #E4B347 #47E464

split-complementary

#4778E4 #E46447 #C6E447

monochromatic

#17409A #1E56CF #4778E4 #7C9FEC #B2C6F4

Accessibility & contrast

On white

4.14

#4778E4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.07

#4778E4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4778E4

5.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4778E4	#FFFFFF	#000000	##000000
##4778E4	1.00	4.14	5.07	5.07
#FFFFFF	4.14	1.00	21.00	21.00
#000000	5.07	21.00	1.00	1.00
##000000	5.07	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#3E84E8

Deuteranopia (green-blind)

#1676E2

Tritanopia (blue-blind)

#0091A3

Achromatopsia (no color)

#7D7D7D

Design tokens & code

CSS

--color: #4778e4;
/* rgb */ color: rgb(71, 120, 228);
/* oklch */ color: oklch(59.5% 0.172 263.6);

Tailwind

colors: {
  custom: {
    50: '#8b9eed',
    500: '#4778e4',
    950: '#000000',
  },
}

SCSS

$custom: #4778e4;
$custom-light: #8b9eed;
$custom-dark: #000000;

JSON

{
  "hex": "#4778e4",
  "rgb": {
    "r": 71,
    "g": 120,
    "b": 228
  },
  "hsl": {
    "h": 221.274,
    "s": 74.408,
    "l": 58.627
  },
  "oklch": {
    "l": 0.59483,
    "c": 0.1725,
    "h": 263.6
  },
  "luminance": 0.20374
}

Semantic roles & 50–950 ramp

primary

#4778E4

secondary

#E2CFA4

accent

#B737F1

background

#F9F9FE

surface

#F2F2FD

border

#CCCCD5

text

#0D0E16

muted

#7E7E84

Preview Lab

Preview with #4778E4

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

Preview Lab → · Contrast checker → · Palette generator →