#4E78D1#4E78D1

#4E78D1 is a mid, vivid blue. Relative luminance 0.197; OKLCH L 58.6% C 0.144 H 263.5°. Best body text is #000000 at 4.93:1 contrast (WCAG AA passes).

Color values

HEX	#4E78D1
RGB	rgb(78, 120, 209)
HSL	hsl(221, 59%, 56%)
HSV	hsv(221, 63%, 82%)
CMYK	cmyk(62.7%, 42.6%, 0%, 18%)
CIE-LAB	lab(51.44, 13.30, -50.35)
CIE-LCH	lch(51.44, 52.08, 284.79°)
OKLab	oklab(58.58% -0.0162 -0.1435)
OKLCH	oklch(58.58% 0.144 263.5)
XYZ	xyz(21.3630, 19.6542, 62.9771)
Luminance	0.1966 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4E78D1 #D1A74E

analogous

#4EBAD1 #4E78D1 #664ED1

triadic

#4E78D1 #D14E78 #78D14E

tetradic

#4E78D1 #D14EBA #D1A74E #4ED166

square

#4E78D1 #D14EBA #D1A74E #4ED166

split-complementary

#4E78D1 #D1664E #BAD14E

monochromatic

#224183 #2F59B3 #4E78D1 #7F9DDE #AFC2EA

Accessibility & contrast

On white

4.26

#4E78D1 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.93

#4E78D1 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4E78D1

4.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4E78D1	#FFFFFF	#000000	##000000
##4E78D1	1.00	4.26	4.93	4.93
#FFFFFF	4.26	1.00	21.00	21.00
#000000	4.93	21.00	1.00	1.00
##000000	4.93	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4F81D4

Deuteranopia (green-blind)

#3B75CF

Tritanopia (blue-blind)

#008C9A

Achromatopsia (no color)

#7B7B7B

Design tokens & code

CSS

--color: #4e78d1;
/* rgb */ color: rgb(78, 120, 209);
/* oklch */ color: oklch(58.6% 0.144 263.5);

Tailwind

colors: {
  custom: {
    50: '#8b9edf',
    500: '#4e78d1',
    950: '#000000',
  },
}

SCSS

$custom: #4e78d1;
$custom-light: #8b9edf;
$custom-dark: #000000;

JSON

{
  "hex": "#4e78d1",
  "rgb": {
    "r": 78,
    "g": 120,
    "b": 209
  },
  "hsl": {
    "h": 220.763,
    "s": 58.744,
    "l": 56.275
  },
  "oklch": {
    "l": 0.58583,
    "c": 0.14447,
    "h": 263.5
  },
  "luminance": 0.19656
}

Semantic roles & 50–950 ramp

primary

#4E78D1

secondary

#D8C7A2

accent

#B046E2

background

#F9F9FD

surface

#F1F2FB

border

#CBCCD4

text

#0D0E15

muted

#7E7E83

Preview Lab

Preview with #4E78D1

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

Preview Lab → · Contrast checker → · Palette generator →