#4E78D2#4E78D2

#4E78D2 is a mid, vivid blue. Relative luminance 0.197; OKLCH L 58.6% C 0.146 H 263.7°. Best body text is #000000 at 4.94:1 contrast (WCAG AA passes).

Color values

HEX	#4E78D2
RGB	rgb(78, 120, 210)
HSL	hsl(221, 59%, 56%)
HSV	hsv(221, 63%, 82%)
CMYK	cmyk(62.9%, 42.9%, 0%, 17.6%)
CIE-LAB	lab(51.50, 13.64, -50.83)
CIE-LCH	lch(51.50, 52.63, 285.02°)
OKLab	oklab(58.65% -0.0161 -0.1449)
OKLCH	oklch(58.65% 0.146 263.7)
XYZ	xyz(21.4872, 19.7038, 63.6311)
Luminance	0.1971 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4E78D2 #D2A84E

analogous

#4EBAD2 #4E78D2 #664ED2

triadic

#4E78D2 #D24E78 #78D24E

tetradic

#4E78D2 #D24EBA #D2A84E #4ED266

square

#4E78D2 #D24EBA #D2A84E #4ED266

split-complementary

#4E78D2 #D2664E #BAD24E

monochromatic

#224184 #2E59B5 #4E78D2 #7F9DDE #B0C2EB

Accessibility & contrast

On white

4.25

#4E78D2 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.94

#4E78D2 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4E78D2

4.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4E78D2	#FFFFFF	#000000	##000000
##4E78D2	1.00	4.25	4.94	4.94
#FFFFFF	4.25	1.00	21.00	21.00
#000000	4.94	21.00	1.00	1.00
##000000	4.94	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4F81D5

Deuteranopia (green-blind)

#3A75D0

Tritanopia (blue-blind)

#008C9B

Achromatopsia (no color)

#7B7B7B

Design tokens & code

CSS

--color: #4e78d2;
/* rgb */ color: rgb(78, 120, 210);
/* oklch */ color: oklch(58.6% 0.146 263.7);

Tailwind

colors: {
  custom: {
    50: '#8b9ee0',
    500: '#4e78d2',
    950: '#000000',
  },
}

SCSS

$custom: #4e78d2;
$custom-light: #8b9ee0;
$custom-dark: #000000;

JSON

{
  "hex": "#4e78d2",
  "rgb": {
    "r": 78,
    "g": 120,
    "b": 210
  },
  "hsl": {
    "h": 220.909,
    "s": 59.459,
    "l": 56.471
  },
  "oklch": {
    "l": 0.58645,
    "c": 0.14584,
    "h": 263.7
  },
  "luminance": 0.19706
}

Semantic roles & 50–950 ramp

primary

#4E78D2

secondary

#D9C8A3

accent

#B145E3

background

#F9F9FD

surface

#F1F2FB

border

#CBCCD4

text

#0D0E15

muted

#7E7E83

Preview Lab

Preview with #4E78D2

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

Preview Lab → · Contrast checker → · Palette generator →