#4878DD#4878DD

#4878DD is a mid, vivid blue. Relative luminance 0.200; OKLCH L 59.1% C 0.163 H 263.2°. Best body text is #000000 at 5.01:1 contrast (WCAG AA passes).

Color values

HEX	#4878DD
RGB	rgb(72, 120, 221)
HSL	hsl(221, 69%, 57%)
HSV	hsv(221, 67%, 87%)
CMYK	cmyk(67.4%, 45.7%, 0%, 13.3%)
CIE-LAB	lab(51.87, 16.46, -56.48)
CIE-LCH	lch(51.87, 58.83, 286.25°)
OKLab	oklab(59.06% -0.0193 -0.1616)
OKLCH	oklch(59.06% 0.163 263.2)
XYZ	xyz(22.4355, 20.0289, 71.0762)
Luminance	0.2003 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4878DD #DDAD48

analogous

#48C3DD #4878DD #6248DD

triadic

#4878DD #DD4878 #78DD48

tetradic

#4878DD #DD48C3 #DDAD48 #48DD62

square

#4878DD #DD48C3 #DDAD48 #48DD62

split-complementary

#4878DD #DD6248 #C3DD48

monochromatic

#1B4090 #2458C3 #4878DD #7C9EE7 #AFC4F0

Accessibility & contrast

On white

4.19

#4878DD on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.01

#4878DD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4878DD

5.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4878DD	#FFFFFF	#000000	##000000
##4878DD	1.00	4.19	5.01	5.01
#FFFFFF	4.19	1.00	21.00	21.00
#000000	5.01	21.00	1.00	1.00
##000000	5.01	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4583E1

Deuteranopia (green-blind)

#2775DB

Tritanopia (blue-blind)

#008FA0

Achromatopsia (no color)

#7C7C7C

Design tokens & code

CSS

--color: #4878dd;
/* rgb */ color: rgb(72, 120, 221);
/* oklch */ color: oklch(59.1% 0.163 263.2);

Tailwind

colors: {
  custom: {
    50: '#8b9ee8',
    500: '#4878dd',
    950: '#000000',
  },
}

SCSS

$custom: #4878dd;
$custom-light: #8b9ee8;
$custom-dark: #000000;

JSON

{
  "hex": "#4878dd",
  "rgb": {
    "r": 72,
    "g": 120,
    "b": 221
  },
  "hsl": {
    "h": 220.671,
    "s": 68.664,
    "l": 57.451
  },
  "oklch": {
    "l": 0.59062,
    "c": 0.1628,
    "h": 263.2
  },
  "luminance": 0.20031
}

Semantic roles & 50–950 ramp

primary

#4878DD

secondary

#DECBA2

accent

#B33CEC

background

#F9F9FE

surface

#F1F2FD

border

#CBCCD5

text

#0D0E16

muted

#7E7E84

Preview Lab

Preview with #4878DD

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

Preview Lab → · Contrast checker → · Palette generator →