#4A78CA#4A78CA

#4A78CA is a mid, vivid blue. Relative luminance 0.192; OKLCH L 58.0% C 0.136 H 261.1°. Best body text is #000000 at 4.83:1 contrast (WCAG AA passes).

Color values

HEX	#4A78CA
RGB	rgb(74, 120, 202)
HSL	hsl(218, 55%, 54%)
HSV	hsv(218, 63%, 79%)
CMYK	cmyk(63.4%, 40.6%, 0%, 20.8%)
CIE-LAB	lab(50.86, 10.16, -47.31)
CIE-LCH	lch(50.86, 48.39, 282.13°)
OKLab	oklab(57.96% -0.0211 -0.1347)
OKLCH	oklch(57.96% 0.136 261.1)
XYZ	xyz(20.1974, 19.1512, 58.4978)
Luminance	0.1915 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4A78CA #CA9C4A

analogous

#4AB8CA #4A78CA #5C4ACA

triadic

#4A78CA #CA4A78 #78CA4A

tetradic

#4A78CA #CA4AB8 #CA9C4A #4ACA5C

square

#4A78CA #CA4AB8 #CA9C4A #4ACA5C

split-complementary

#4A78CA #CA5C4A #B8CA4A

monochromatic

#234177 #315BA6 #4A78CA #799BD8 #A9BFE6

Accessibility & contrast

On white

4.35

#4A78CA on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.83

#4A78CA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4A78CA

4.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4A78CA	#FFFFFF	#000000	##000000
##4A78CA	1.00	4.35	4.83	4.83
#FFFFFF	4.35	1.00	21.00	21.00
#000000	4.83	21.00	1.00	1.00
##000000	4.83	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5380CD

Deuteranopia (green-blind)

#4174C8

Tritanopia (blue-blind)

#008B97

Achromatopsia (no color)

#797979

Design tokens & code

CSS

--color: #4a78ca;
/* rgb */ color: rgb(74, 120, 202);
/* oklch */ color: oklch(58.0% 0.136 261.1);

Tailwind

colors: {
  custom: {
    50: '#889eda',
    500: '#4a78ca',
    950: '#000000',
  },
}

SCSS

$custom: #4a78ca;
$custom-light: #889eda;
$custom-dark: #000000;

JSON

{
  "hex": "#4a78ca",
  "rgb": {
    "r": 74,
    "g": 120,
    "b": 202
  },
  "hsl": {
    "h": 218.438,
    "s": 54.701,
    "l": 54.118
  },
  "oklch": {
    "l": 0.57957,
    "c": 0.13632,
    "h": 261.1
  },
  "luminance": 0.19153
}

Semantic roles & 50–950 ramp

primary

#4A78CA

secondary

#D3C09D

accent

#A94ADE

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0C0E15

muted

#7D7E83

Preview Lab

Preview with #4A78CA

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

Preview Lab → · Contrast checker → · Palette generator →