#4978DC#4978DC

#4978DC is a mid, vivid blue. Relative luminance 0.200; OKLCH L 59.0% C 0.161 H 263.4°. Best body text is #000000 at 5.00:1 contrast (WCAG AA passes).

Color values

HEX	#4978DC
RGB	rgb(73, 120, 220)
HSL	hsl(221, 68%, 57%)
HSV	hsv(221, 67%, 86%)
CMYK	cmyk(66.8%, 45.5%, 0%, 13.7%)
CIE-LAB	lab(51.85, 16.27, -55.94)
CIE-LCH	lch(51.85, 58.26, 286.22°)
OKLab	oklab(59.04% -0.0186 -0.16)
OKLCH	oklch(59.04% 0.161 263.4)
XYZ	xyz(22.3778, 20.0145, 70.3801)
Luminance	0.2002 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4978DC #DCAD49

analogous

#49C2DC #4978DC #6349DC

triadic

#4978DC #DC4978 #78DC49

tetradic

#4978DC #DC49C2 #DCAD49 #49DC63

square

#4978DC #DC49C2 #DCAD49 #49DC63

split-complementary

#4978DC #DC6349 #C2DC49

monochromatic

#1C408F #2558C2 #4978DC #7C9EE6 #B0C4F0

Accessibility & contrast

On white

4.20

#4978DC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.00

#4978DC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4978DC

5.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4978DC	#FFFFFF	#000000	##000000
##4978DC	1.00	4.20	5.00	5.00
#FFFFFF	4.20	1.00	21.00	21.00
#000000	5.00	21.00	1.00	1.00
##000000	5.00	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4683E0

Deuteranopia (green-blind)

#2A75DA

Tritanopia (blue-blind)

#008F9F

Achromatopsia (no color)

#7C7C7C

Design tokens & code

CSS

--color: #4978dc;
/* rgb */ color: rgb(73, 120, 220);
/* oklch */ color: oklch(59.0% 0.161 263.4);

Tailwind

colors: {
  custom: {
    50: '#8b9ee7',
    500: '#4978dc',
    950: '#000000',
  },
}

SCSS

$custom: #4978dc;
$custom-light: #8b9ee7;
$custom-dark: #000000;

JSON

{
  "hex": "#4978dc",
  "rgb": {
    "r": 73,
    "g": 120,
    "b": 220
  },
  "hsl": {
    "h": 220.816,
    "s": 67.742,
    "l": 57.451
  },
  "oklch": {
    "l": 0.59042,
    "c": 0.16112,
    "h": 263.4
  },
  "luminance": 0.20017
}

Semantic roles & 50–950 ramp

primary

#4978DC

secondary

#DECBA3

accent

#B33DEB

background

#F9F9FE

surface

#F1F2FC

border

#CBCCD5

text

#0D0E16

muted

#7E7E84

Preview Lab

Preview with #4978DC

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

Preview Lab → · Contrast checker → · Palette generator →