#4E78DE#4E78DE

#4E78DE is a mid, vivid blue. Relative luminance 0.203; OKLCH L 59.4% C 0.162 H 265.0°. Best body text is #000000 at 5.07:1 contrast (WCAG AA passes).

Color values

HEX	#4E78DE
RGB	rgb(78, 120, 222)
HSL	hsl(223, 69%, 59%)
HSV	hsv(223, 65%, 87%)
CMYK	cmyk(64.9%, 45.9%, 0%, 12.9%)
CIE-LAB	lab(52.20, 17.78, -56.49)
CIE-LCH	lch(52.20, 59.22, 287.47°)
OKLab	oklab(59.41% -0.0141 -0.1616)
OKLCH	oklch(59.41% 0.162 265)
XYZ	xyz(23.0386, 20.3244, 71.8020)
Luminance	0.2033 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4E78DE #DEB44E

analogous

#4EC0DE #4E78DE #6C4EDE

triadic

#4E78DE #DE4E78 #78DE4E

tetradic

#4E78DE #DE4EC0 #DEB44E #4EDE6C

square

#4E78DE #DE4EC0 #DEB44E #4EDE6C

split-complementary

#4E78DE #DE6C4E #C0DE4E

monochromatic

#1C3F96 #2655C9 #4E78DE #829FE8 #B5C7F1

Accessibility & contrast

On white

4.15

#4E78DE on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.07

#4E78DE on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4E78DE

5.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4E78DE	#FFFFFF	#000000	##000000
##4E78DE	1.00	4.15	5.07	5.07
#FFFFFF	4.15	1.00	21.00	21.00
#000000	5.07	21.00	1.00	1.00
##000000	5.07	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4584E2

Deuteranopia (green-blind)

#2A76DC

Tritanopia (blue-blind)

#008FA0

Achromatopsia (no color)

#7C7C7C

Design tokens & code

CSS

--color: #4e78de;
/* rgb */ color: rgb(78, 120, 222);
/* oklch */ color: oklch(59.4% 0.162 265.0);

Tailwind

colors: {
  custom: {
    50: '#8d9ee9',
    500: '#4e78de',
    950: '#000000',
  },
}

SCSS

$custom: #4e78de;
$custom-light: #8d9ee9;
$custom-dark: #000000;

JSON

{
  "hex": "#4e78de",
  "rgb": {
    "r": 78,
    "g": 120,
    "b": 222
  },
  "hsl": {
    "h": 222.5,
    "s": 68.571,
    "l": 58.824
  },
  "oklch": {
    "l": 0.5941,
    "c": 0.1622,
    "h": 265
  },
  "luminance": 0.20327
}

Semantic roles & 50–950 ramp

primary

#4E78DE

secondary

#E0D0A8

accent

#B83CEB

background

#F9F9FE

surface

#F2F2FD

border

#CCCCD5

text

#0D0E16

muted

#7E7E84

Preview Lab

Preview with #4E78DE

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

Preview Lab → · Contrast checker → · Palette generator →