#4878DF#4878DF

#4878DF is a mid, vivid blue. Relative luminance 0.201; OKLCH L 59.2% C 0.165 H 263.4°. Best body text is #000000 at 5.03:1 contrast (WCAG AA passes).

Color values

HEX	#4878DF
RGB	rgb(72, 120, 223)
HSL	hsl(221, 70%, 58%)
HSV	hsv(221, 68%, 87%)
CMYK	cmyk(67.7%, 46.2%, 0%, 12.5%)
CIE-LAB	lab(51.99, 17.17, -57.41)
CIE-LCH	lch(51.99, 59.92, 286.65°)
OKLab	oklab(59.19% -0.019 -0.1644)
OKLCH	oklch(59.19% 0.165 263.4)
XYZ	xyz(22.7035, 20.1361, 72.4879)
Luminance	0.2014 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4878DF #DFAF48

analogous

#48C4DF #4878DF #6348DF

triadic

#4878DF #DF4878 #78DF48

tetradic

#4878DF #DF48C4 #DFAF48 #48DF63

square

#4878DF #DF48C4 #DFAF48 #48DF63

split-complementary

#4878DF #DF6348 #C4DF48

monochromatic

#1A4093 #2357C7 #4878DF #7C9EE8 #B0C5F1

Accessibility & contrast

On white

4.18

#4878DF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.03

#4878DF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4878DF

5.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4878DF	#FFFFFF	#000000	##000000
##4878DF	1.00	4.18	5.03	5.03
#FFFFFF	4.18	1.00	21.00	21.00
#000000	5.03	21.00	1.00	1.00
##000000	5.03	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4383E3

Deuteranopia (green-blind)

#2475DD

Tritanopia (blue-blind)

#0090A1

Achromatopsia (no color)

#7C7C7C

Design tokens & code

CSS

--color: #4878df;
/* rgb */ color: rgb(72, 120, 223);
/* oklch */ color: oklch(59.2% 0.165 263.4);

Tailwind

colors: {
  custom: {
    50: '#8b9ee9',
    500: '#4878df',
    950: '#000000',
  },
}

SCSS

$custom: #4878df;
$custom-light: #8b9ee9;
$custom-dark: #000000;

JSON

{
  "hex": "#4878df",
  "rgb": {
    "r": 72,
    "g": 120,
    "b": 223
  },
  "hsl": {
    "h": 220.927,
    "s": 70.233,
    "l": 57.843
  },
  "oklch": {
    "l": 0.59194,
    "c": 0.16548,
    "h": 263.4
  },
  "luminance": 0.20138
}

Semantic roles & 50–950 ramp

primary

#4878DF

secondary

#E0CCA3

accent

#B43BED

background

#F9F9FE

surface

#F1F2FD

border

#CBCCD5

text

#0D0E16

muted

#7E7E84

Preview Lab

Preview with #4878DF

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

Preview Lab → · Contrast checker → · Palette generator →