#4978DB#4978DB

#4978DB is a mid, vivid blue. Relative luminance 0.200; OKLCH L 59.0% C 0.160 H 263.2°. Best body text is #000000 at 4.99:1 contrast (WCAG AA passes).

Color values

HEX	#4978DB
RGB	rgb(73, 120, 219)
HSL	hsl(221, 67%, 57%)
HSV	hsv(221, 67%, 86%)
CMYK	cmyk(66.7%, 45.2%, 0%, 14.1%)
CIE-LAB	lab(51.79, 15.92, -55.47)
CIE-LCH	lch(51.79, 57.71, 286.01°)
OKLab	oklab(58.98% -0.0188 -0.1587)
OKLCH	oklch(58.98% 0.16 263.2)
XYZ	xyz(22.2458, 19.9617, 69.6847)
Luminance	0.1996 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4978DB #DBAC49

analogous

#49C1DB #4978DB #6349DB

triadic

#4978DB #DB4978 #78DB49

tetradic

#4978DB #DB49C1 #DBAC49 #49DB63

square

#4978DB #DB49C1 #DBAC49 #49DB63

split-complementary

#4978DB #DB6349 #C1DB49

monochromatic

#1C418E #2658C1 #4978DB #7C9EE5 #AFC4EF

Accessibility & contrast

On white

4.21

#4978DB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.99

#4978DB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4978DB

4.99:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4978DB	#FFFFFF	#000000	##000000
##4978DB	1.00	4.21	4.99	4.99
#FFFFFF	4.21	1.00	21.00	21.00
#000000	4.99	21.00	1.00	1.00
##000000	4.99	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4783DF

Deuteranopia (green-blind)

#2B75D9

Tritanopia (blue-blind)

#008F9F

Achromatopsia (no color)

#7B7B7B

Design tokens & code

CSS

--color: #4978db;
/* rgb */ color: rgb(73, 120, 219);
/* oklch */ color: oklch(59.0% 0.160 263.2);

Tailwind

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

SCSS

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

JSON

{
  "hex": "#4978db",
  "rgb": {
    "r": 73,
    "g": 120,
    "b": 219
  },
  "hsl": {
    "h": 220.685,
    "s": 66.972,
    "l": 57.255
  },
  "oklch": {
    "l": 0.58977,
    "c": 0.15977,
    "h": 263.2
  },
  "luminance": 0.19964
}

Semantic roles & 50–950 ramp

primary

#4978DB

secondary

#DDCAA2

accent

#B33EEA

background

#F9F9FE

surface

#F1F2FC

border

#CBCCD5

text

#0D0E16

muted

#7E7E84

Preview Lab

Preview with #4978DB

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

Preview Lab → · Contrast checker → · Palette generator →