#4878EB#4878EB

#4878EB is a mid, vivid blue. Relative luminance 0.208; OKLCH L 60.0% C 0.181 H 264.5°. Best body text is #000000 at 5.16:1 contrast (WCAG AA passes).

Color values

HEX	#4878EB
RGB	rgb(72, 120, 235)
HSL	hsl(222, 80%, 60%)
HSV	hsv(222, 69%, 92%)
CMYK	cmyk(69.4%, 48.9%, 0%, 7.8%)
CIE-LAB	lab(52.74, 21.41, -62.94)
CIE-LCH	lch(52.74, 66.48, 288.78°)
OKLab	oklab(60% -0.0174 -0.1807)
OKLCH	oklch(60% 0.181 264.5)
XYZ	xyz(24.3791, 20.8063, 81.3124)
Luminance	0.2081 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4878EB #EBBB48

analogous

#48CAEB #4878EB #6948EB

triadic

#4878EB #EB4878 #78EB48

tetradic

#4878EB #EB48CA #EBBB48 #48EB69

square

#4878EB #EB48CA #EBBB48 #48EB69

split-complementary

#4878EB #EB6948 #CAEB48

monochromatic

#123EA6 #1852DE #4878EB #7FA1F1 #B6C9F7

Accessibility & contrast

On white

4.07

#4878EB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.16

#4878EB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4878EB

5.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4878EB	#FFFFFF	#000000	##000000
##4878EB	1.00	4.07	5.16	5.16
#FFFFFF	4.07	1.00	21.00	21.00
#000000	5.16	21.00	1.00	1.00
##000000	5.16	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#3686EF

Deuteranopia (green-blind)

#0077E9

Tritanopia (blue-blind)

#0093A6

Achromatopsia (no color)

#7E7E7E

Design tokens & code

CSS

--color: #4878eb;
/* rgb */ color: rgb(72, 120, 235);
/* oklch */ color: oklch(60.0% 0.181 264.5);

Tailwind

colors: {
  custom: {
    50: '#8d9ef2',
    500: '#4878eb',
    950: '#000000',
  },
}

SCSS

$custom: #4878eb;
$custom-light: #8d9ef2;
$custom-dark: #000000;

JSON

{
  "hex": "#4878eb",
  "rgb": {
    "r": 72,
    "g": 120,
    "b": 235
  },
  "hsl": {
    "h": 222.331,
    "s": 80.296,
    "l": 60.196
  },
  "oklch": {
    "l": 0.60004,
    "c": 0.18149,
    "h": 264.5
  },
  "luminance": 0.20809
}

Semantic roles & 50–950 ramp

primary

#4878EB

secondary

#E7D4A8

accent

#9E09DD

background

#F9F9FE

surface

#F2F2FD

border

#CCCCD5

text

#0E0E17

muted

#7E7E85

Preview Lab

Preview with #4878EB

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

Preview Lab → · Contrast checker → · Palette generator →