#4478C7#4478C7

#4478C7 is a mid, vivid blue. Relative luminance 0.188; OKLCH L 57.5% C 0.134 H 258.6°. Best body text is #000000 at 4.76:1 contrast (WCAG AA passes).

Color values

HEX	#4478C7
RGB	rgb(68, 120, 199)
HSL	hsl(216, 54%, 52%)
HSV	hsv(216, 66%, 78%)
CMYK	cmyk(65.8%, 39.7%, 0%, 22%)
CIE-LAB	lab(50.43, 8.07, -46.29)
CIE-LCH	lch(50.43, 46.99, 279.89°)
OKLab	oklab(57.5% -0.0267 -0.1318)
OKLCH	oklch(57.5% 0.134 258.6)
XYZ	xyz(19.4055, 18.7835, 56.6247)
Luminance	0.1878 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4478C7 #C79344

analogous

#44BAC7 #4478C7 #5244C7

triadic

#4478C7 #C74478 #78C744

tetradic

#4478C7 #C744BA #C79344 #44C752

square

#4478C7 #C744BA #C79344 #44C752

split-complementary

#4478C7 #C75244 #BAC744

monochromatic

#21406F #2F5B9E #4478C7 #739AD5 #A2BCE3

Accessibility & contrast

On white

4.41

#4478C7 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.76

#4478C7 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4478C7

4.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4478C7	#FFFFFF	#000000	##000000
##4478C7	1.00	4.41	4.76	4.76
#FFFFFF	4.41	1.00	21.00	21.00
#000000	4.76	21.00	1.00	1.00
##000000	4.76	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#547FCA

Deuteranopia (green-blind)

#4172C5

Tritanopia (blue-blind)

#008A96

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #4478c7;
/* rgb */ color: rgb(68, 120, 199);
/* oklch */ color: oklch(57.5% 0.134 258.6);

Tailwind

colors: {
  custom: {
    50: '#859ed8',
    500: '#4478c7',
    950: '#000000',
  },
}

SCSS

$custom: #4478c7;
$custom-light: #859ed8;
$custom-dark: #000000;

JSON

{
  "hex": "#4478c7",
  "rgb": {
    "r": 68,
    "g": 120,
    "b": 199
  },
  "hsl": {
    "h": 216.183,
    "s": 53.909,
    "l": 52.353
  },
  "oklch": {
    "l": 0.57497,
    "c": 0.13448,
    "h": 258.6
  },
  "luminance": 0.18785
}

Semantic roles & 50–950 ramp

primary

#4478C7

secondary

#D0B997

accent

#A34BDD

background

#F8F9FD

surface

#F0F2FA

border

#CBCCD3

text

#0C0E14

muted

#7D7E83

Preview Lab

Preview with #4478C7

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

Preview Lab → · Contrast checker → · Palette generator →