#4978CB#4978CB

#4978CB is a mid, vivid blue. Relative luminance 0.192; OKLCH L 58.0% C 0.138 H 260.9°. Best body text is #000000 at 4.83:1 contrast (WCAG AA passes).

Color values

HEX	#4978CB
RGB	rgb(73, 120, 203)
HSL	hsl(218, 56%, 54%)
HSV	hsv(218, 64%, 80%)
CMYK	cmyk(64%, 40.9%, 0%, 20.4%)
CIE-LAB	lab(50.87, 10.33, -47.86)
CIE-LCH	lch(50.87, 48.97, 282.18°)
OKLab	oklab(57.97% -0.0217 -0.1363)
OKLCH	oklch(57.97% 0.138 260.9)
XYZ	xyz(20.2398, 19.1593, 59.1198)
Luminance	0.1916 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4978CB #CB9C49

analogous

#49B9CB #4978CB #5B49CB

triadic

#4978CB #CB4978 #78CB49

tetradic

#4978CB #CB49B9 #CB9C49 #49CB5B

square

#4978CB #CB49B9 #CB9C49 #49CB5B

split-complementary

#4978CB #CB5B49 #B9CB49

monochromatic

#224177 #305BA7 #4978CB #799BD9 #A8BFE6

Accessibility & contrast

On white

4.35

#4978CB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.83

#4978CB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4978CB

4.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4978CB	#FFFFFF	#000000	##000000
##4978CB	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)

#5380CE

Deuteranopia (green-blind)

#3F74C9

Tritanopia (blue-blind)

#008B97

Achromatopsia (no color)

#797979

Design tokens & code

CSS

--color: #4978cb;
/* rgb */ color: rgb(73, 120, 203);
/* oklch */ color: oklch(58.0% 0.138 260.9);

Tailwind

colors: {
  custom: {
    50: '#889edb',
    500: '#4978cb',
    950: '#000000',
  },
}

SCSS

$custom: #4978cb;
$custom-light: #889edb;
$custom-dark: #000000;

JSON

{
  "hex": "#4978cb",
  "rgb": {
    "r": 73,
    "g": 120,
    "b": 203
  },
  "hsl": {
    "h": 218.308,
    "s": 55.556,
    "l": 54.118
  },
  "oklch": {
    "l": 0.5797,
    "c": 0.13805,
    "h": 260.9
  },
  "luminance": 0.19161
}

Semantic roles & 50–950 ramp

primary

#4978CB

secondary

#D4C09C

accent

#A949DF

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0C0E15

muted

#7D7E83

Preview Lab

Preview with #4978CB

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

Preview Lab → · Contrast checker → · Palette generator →