#4478CC#4478CC

#4478CC is a mid, vivid blue. Relative luminance 0.190; OKLCH L 57.8% C 0.141 H 259.6°. Best body text is #000000 at 4.80:1 contrast (WCAG AA passes).

Color values

HEX	#4478CC
RGB	rgb(68, 120, 204)
HSL	hsl(217, 57%, 53%)
HSV	hsv(217, 67%, 80%)
CMYK	cmyk(66.7%, 41.2%, 0%, 20%)
CIE-LAB	lab(50.71, 9.83, -48.71)
CIE-LCH	lch(50.71, 49.69, 281.41°)
OKLab	oklab(57.8% -0.0256 -0.1389)
OKLCH	oklch(57.8% 0.141 259.6)
XYZ	xyz(19.9956, 19.0195, 59.7324)
Luminance	0.1902 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4478CC #CC9844

analogous

#44BCCC #4478CC #5444CC

triadic

#4478CC #CC4478 #78CC44

tetradic

#4478CC #CC44BC #CC9844 #44CC54

square

#4478CC #CC44BC #CC9844 #44CC54

split-complementary

#4478CC #CC5444 #BCCC44

monochromatic

#204176 #2D5BA6 #4478CC #749BD9 #A4BDE6

Accessibility & contrast

On white

4.37

#4478CC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.80

#4478CC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4478CC

4.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4478CC	#FFFFFF	#000000	##000000
##4478CC	1.00	4.37	4.80	4.80
#FFFFFF	4.37	1.00	21.00	21.00
#000000	4.80	21.00	1.00	1.00
##000000	4.80	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5180CF

Deuteranopia (green-blind)

#3C73CA

Tritanopia (blue-blind)

#008B98

Achromatopsia (no color)

#797979

Design tokens & code

CSS

--color: #4478cc;
/* rgb */ color: rgb(68, 120, 204);
/* oklch */ color: oklch(57.8% 0.141 259.6);

Tailwind

colors: {
  custom: {
    50: '#869edc',
    500: '#4478cc',
    950: '#000000',
  },
}

SCSS

$custom: #4478cc;
$custom-light: #869edc;
$custom-dark: #000000;

JSON

{
  "hex": "#4478cc",
  "rgb": {
    "r": 68,
    "g": 120,
    "b": 204
  },
  "hsl": {
    "h": 217.059,
    "s": 57.143,
    "l": 53.333
  },
  "oklch": {
    "l": 0.57801,
    "c": 0.14123,
    "h": 259.6
  },
  "luminance": 0.19022
}

Semantic roles & 50–950 ramp

primary

#4478CC

secondary

#D3BD99

accent

#A647E0

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0C0E15

muted

#7D7E83

Preview Lab

Preview with #4478CC

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

Preview Lab → · Contrast checker → · Palette generator →