#4778CC#4778CC

#4778CC is a mid, vivid blue. Relative luminance 0.191; OKLCH L 57.9% C 0.140 H 260.5°. Best body text is #000000 at 4.83:1 contrast (WCAG AA passes).

Color values

HEX	#4778CC
RGB	rgb(71, 120, 204)
HSL	hsl(218, 57%, 54%)
HSV	hsv(218, 65%, 80%)
CMYK	cmyk(65.2%, 41.2%, 0%, 20%)
CIE-LAB	lab(50.84, 10.33, -48.49)
CIE-LCH	lch(50.84, 49.58, 282.03°)
OKLab	oklab(57.94% -0.0232 -0.1382)
OKLCH	oklch(57.94% 0.14 260.5)
XYZ	xyz(20.2102, 19.1302, 59.7425)
Luminance	0.1913 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4778CC #CC9B47

analogous

#47BBCC #4778CC #5947CC

triadic

#4778CC #CC4778 #78CC47

tetradic

#4778CC #CC47BB #CC9B47 #47CC59

square

#4778CC #CC47BB #CC9B47 #47CC59

split-complementary

#4778CC #CC5947 #BBCC47

monochromatic

#214177 #2E5BA7 #4778CC #779BD9 #A7BEE7

Accessibility & contrast

On white

4.35

#4778CC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.83

#4778CC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4778CC

4.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4778CC	#FFFFFF	#000000	##000000
##4778CC	1.00	4.35	4.83	4.83
#FFFFFF	4.35	1.00	21.00	21.00
#000000	4.83	21.00	1.00	1.00
##000000	4.83	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5280CF

Deuteranopia (green-blind)

#3D73CA

Tritanopia (blue-blind)

#008B98

Achromatopsia (no color)

#797979

Design tokens & code

CSS

--color: #4778cc;
/* rgb */ color: rgb(71, 120, 204);
/* oklch */ color: oklch(57.9% 0.140 260.5);

Tailwind

colors: {
  custom: {
    50: '#879edc',
    500: '#4778cc',
    950: '#000000',
  },
}

SCSS

$custom: #4778cc;
$custom-light: #879edc;
$custom-dark: #000000;

JSON

{
  "hex": "#4778cc",
  "rgb": {
    "r": 71,
    "g": 120,
    "b": 204
  },
  "hsl": {
    "h": 217.895,
    "s": 56.596,
    "l": 53.922
  },
  "oklch": {
    "l": 0.57937,
    "c": 0.14014,
    "h": 260.5
  },
  "luminance": 0.19132
}

Semantic roles & 50–950 ramp

primary

#4778CC

secondary

#D4BF9B

accent

#A848E0

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0C0E15

muted

#7D7E83

Preview Lab

Preview with #4778CC

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

Preview Lab → · Contrast checker → · Palette generator →