#4E78CA#4E78CA

#4E78CA is a mid, vivid blue. Relative luminance 0.193; OKLCH L 58.2% C 0.135 H 262.5°. Best body text is #000000 at 4.86:1 contrast (WCAG AA passes).

Color values

HEX	#4E78CA
RGB	rgb(78, 120, 202)
HSL	hsl(220, 54%, 55%)
HSV	hsv(220, 61%, 79%)
CMYK	cmyk(61.4%, 40.6%, 0%, 20.8%)
CIE-LAB	lab(51.05, 10.90, -46.99)
CIE-LCH	lch(51.05, 48.24, 283.06°)
OKLab	oklab(58.16% -0.0176 -0.1337)
OKLCH	oklch(58.16% 0.135 262.5)
XYZ	xyz(20.5153, 19.3151, 58.5127)
Luminance	0.1932 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4E78CA #CAA04E

analogous

#4EB6CA #4E78CA #624ECA

triadic

#4E78CA #CA4E78 #78CA4E

tetradic

#4E78CA #CA4EB6 #CAA04E #4ECA62

square

#4E78CA #CA4EB6 #CAA04E #4ECA62

split-complementary

#4E78CA #CA624E #B6CA4E

monochromatic

#244179 #325AA8 #4E78CA #7D9CD8 #ACC0E6

Accessibility & contrast

On white

4.32

#4E78CA on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.86

#4E78CA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4E78CA

4.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4E78CA	#FFFFFF	#000000	##000000
##4E78CA	1.00	4.32	4.86	4.86
#FFFFFF	4.32	1.00	21.00	21.00
#000000	4.86	21.00	1.00	1.00
##000000	4.86	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5480CD

Deuteranopia (green-blind)

#4274C8

Tritanopia (blue-blind)

#008A97

Achromatopsia (no color)

#7A7A7A

Design tokens & code

CSS

--color: #4e78ca;
/* rgb */ color: rgb(78, 120, 202);
/* oklch */ color: oklch(58.2% 0.135 262.5);

Tailwind

colors: {
  custom: {
    50: '#8a9eda',
    500: '#4e78ca',
    950: '#000000',
  },
}

SCSS

$custom: #4e78ca;
$custom-light: #8a9eda;
$custom-dark: #000000;

JSON

{
  "hex": "#4e78ca",
  "rgb": {
    "r": 78,
    "g": 120,
    "b": 202
  },
  "hsl": {
    "h": 219.677,
    "s": 53.913,
    "l": 54.902
  },
  "oklch": {
    "l": 0.58156,
    "c": 0.13485,
    "h": 262.5
  },
  "luminance": 0.19317
}

Semantic roles & 50–950 ramp

primary

#4E78CA

secondary

#D4C2A0

accent

#AC4BDD

background

#F9F9FD

surface

#F1F2FB

border

#CBCCD4

text

#0D0E15

muted

#7E7E83

Preview Lab

Preview with #4E78CA

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

Preview Lab → · Contrast checker → · Palette generator →