#4978CC#4978CC

#4978CC is a mid, vivid blue. Relative luminance 0.192; OKLCH L 58.0% C 0.139 H 261.1°. Best body text is #000000 at 4.84:1 contrast (WCAG AA passes).

Color values

HEX	#4978CC
RGB	rgb(73, 120, 204)
HSL	hsl(218, 56%, 54%)
HSV	hsv(218, 64%, 80%)
CMYK	cmyk(64.2%, 41.2%, 0%, 20%)
CIE-LAB	lab(50.93, 10.68, -48.35)
CIE-LCH	lch(50.93, 49.51, 282.46°)
OKLab	oklab(58.03% -0.0215 -0.1377)
OKLCH	oklch(58.03% 0.139 261.1)
XYZ	xyz(20.3594, 19.2071, 59.7494)
Luminance	0.1921 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4978CC #CC9D49

analogous

#49BACC #4978CC #5C49CC

triadic

#4978CC #CC4978 #78CC49

tetradic

#4978CC #CC49BA #CC9D49 #49CC5C

square

#4978CC #CC49BA #CC9D49 #49CC5C

split-complementary

#4978CC #CC5C49 #BACC49

monochromatic

#224179 #2F5BA9 #4978CC #799BD9 #A9BFE7

Accessibility & contrast

On white

4.34

#4978CC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.84

#4978CC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4978CC

4.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4978CC	#FFFFFF	#000000	##000000
##4978CC	1.00	4.34	4.84	4.84
#FFFFFF	4.34	1.00	21.00	21.00
#000000	4.84	21.00	1.00	1.00
##000000	4.84	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5280CF

Deuteranopia (green-blind)

#3E74CA

Tritanopia (blue-blind)

#008B98

Achromatopsia (no color)

#797979

Design tokens & code

CSS

--color: #4978cc;
/* rgb */ color: rgb(73, 120, 204);
/* oklch */ color: oklch(58.0% 0.139 261.1);

Tailwind

colors: {
  custom: {
    50: '#889edc',
    500: '#4978cc',
    950: '#000000',
  },
}

SCSS

$custom: #4978cc;
$custom-light: #889edc;
$custom-dark: #000000;

JSON

{
  "hex": "#4978cc",
  "rgb": {
    "r": 73,
    "g": 120,
    "b": 204
  },
  "hsl": {
    "h": 218.473,
    "s": 56.223,
    "l": 54.314
  },
  "oklch": {
    "l": 0.58031,
    "c": 0.13941,
    "h": 261.1
  },
  "luminance": 0.19209
}

Semantic roles & 50–950 ramp

primary

#4978CC

secondary

#D4C09D

accent

#A948E0

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0C0E15

muted

#7D7E83

Preview Lab

Preview with #4978CC

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

Preview Lab → · Contrast checker → · Palette generator →