#4978DF#4978DF

#4978DF is a mid, vivid blue. Relative luminance 0.202; OKLCH L 59.2% C 0.165 H 263.7°. Best body text is #000000 at 5.04:1 contrast (WCAG AA passes).

Color values

HEX	#4978DF
RGB	rgb(73, 120, 223)
HSL	hsl(221, 70%, 58%)
HSV	hsv(221, 67%, 87%)
CMYK	cmyk(67.3%, 46.2%, 0%, 12.5%)
CIE-LAB	lab(52.03, 17.32, -57.34)
CIE-LCH	lch(52.03, 59.90, 286.81°)
OKLab	oklab(59.24% -0.0182 -0.1642)
OKLCH	oklch(59.24% 0.165 263.7)
XYZ	xyz(22.7787, 20.1749, 72.4914)
Luminance	0.2018 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4978DF #DFB049

analogous

#49C3DF #4978DF #6549DF

triadic

#4978DF #DF4978 #78DF49

tetradic

#4978DF #DF49C3 #DFB049 #49DF65

square

#4978DF #DF49C3 #DFB049 #49DF65

split-complementary

#4978DF #DF6549 #C3DF49

monochromatic

#1A4094 #2357C8 #4978DF #7D9FE8 #B1C5F1

Accessibility & contrast

On white

4.17

#4978DF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.04

#4978DF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4978DF

5.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4978DF	#FFFFFF	#000000	##000000
##4978DF	1.00	4.17	5.04	5.04
#FFFFFF	4.17	1.00	21.00	21.00
#000000	5.04	21.00	1.00	1.00
##000000	5.04	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4383E3

Deuteranopia (green-blind)

#2476DD

Tritanopia (blue-blind)

#0090A1

Achromatopsia (no color)

#7C7C7C

Design tokens & code

CSS

--color: #4978df;
/* rgb */ color: rgb(73, 120, 223);
/* oklch */ color: oklch(59.2% 0.165 263.7);

Tailwind

colors: {
  custom: {
    50: '#8b9ee9',
    500: '#4978df',
    950: '#000000',
  },
}

SCSS

$custom: #4978df;
$custom-light: #8b9ee9;
$custom-dark: #000000;

JSON

{
  "hex": "#4978df",
  "rgb": {
    "r": 73,
    "g": 120,
    "b": 223
  },
  "hsl": {
    "h": 221.2,
    "s": 70.093,
    "l": 58.039
  },
  "oklch": {
    "l": 0.59239,
    "c": 0.16516,
    "h": 263.7
  },
  "luminance": 0.20177
}

Semantic roles & 50–950 ramp

primary

#4978DF

secondary

#E0CDA4

accent

#B53BED

background

#F9F9FE

surface

#F1F2FD

border

#CBCCD5

text

#0D0E16

muted

#7E7E84

Preview Lab

Preview with #4978DF

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

Preview Lab → · Contrast checker → · Palette generator →