#4E78E0#4E78E0

#4E78E0 is a mid, vivid blue. Relative luminance 0.204; OKLCH L 59.5% C 0.165 H 265.2°. Best body text is #000000 at 5.09:1 contrast (WCAG AA passes).

Color values

HEX	#4E78E0
RGB	rgb(78, 120, 224)
HSL	hsl(223, 70%, 59%)
HSV	hsv(223, 65%, 88%)
CMYK	cmyk(65.2%, 46.4%, 0%, 12.2%)
CIE-LAB	lab(52.32, 18.47, -57.43)
CIE-LCH	lch(52.32, 60.32, 287.83°)
OKLab	oklab(59.54% -0.0138 -0.1643)
OKLCH	oklch(59.54% 0.165 265.2)
XYZ	xyz(23.3082, 20.4323, 73.2220)
Luminance	0.2043 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4E78E0 #E0B64E

analogous

#4EC1E0 #4E78E0 #6D4EE0

triadic

#4E78E0 #E04E78 #78E04E

tetradic

#4E78E0 #E04EC1 #E0B64E #4EE06D

square

#4E78E0 #E04EC1 #E0B64E #4EE06D

split-complementary

#4E78E0 #E06D4E #C1E04E

monochromatic

#1B3F99 #2455CD #4E78E0 #82A0E9 #B6C7F2

Accessibility & contrast

On white

4.13

#4E78E0 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.09

#4E78E0 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4E78E0

5.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4E78E0	#FFFFFF	#000000	##000000
##4E78E0	1.00	4.13	5.09	5.09
#FFFFFF	4.13	1.00	21.00	21.00
#000000	5.09	21.00	1.00	1.00
##000000	5.09	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4384E4

Deuteranopia (green-blind)

#2677DE

Tritanopia (blue-blind)

#0090A1

Achromatopsia (no color)

#7D7D7D

Design tokens & code

CSS

--color: #4e78e0;
/* rgb */ color: rgb(78, 120, 224);
/* oklch */ color: oklch(59.5% 0.165 265.2);

Tailwind

colors: {
  custom: {
    50: '#8e9eea',
    500: '#4e78e0',
    950: '#000000',
  },
}

SCSS

$custom: #4e78e0;
$custom-light: #8e9eea;
$custom-dark: #000000;

JSON

{
  "hex": "#4e78e0",
  "rgb": {
    "r": 78,
    "g": 120,
    "b": 224
  },
  "hsl": {
    "h": 222.74,
    "s": 70.192,
    "l": 59.216
  },
  "oklch": {
    "l": 0.59541,
    "c": 0.16491,
    "h": 265.2
  },
  "luminance": 0.20434
}

Semantic roles & 50–950 ramp

primary

#4E78E0

secondary

#E1D1A8

accent

#BA3BED

background

#F9F9FE

surface

#F2F2FD

border

#CCCCD5

text

#0D0E16

muted

#7E7E84

Preview Lab

Preview with #4E78E0

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

Preview Lab → · Contrast checker → · Palette generator →