#4B78CA#4B78CA

#4B78CA is a mid, vivid blue. Relative luminance 0.192; OKLCH L 58.0% C 0.136 H 261.4°. Best body text is #000000 at 4.84:1 contrast (WCAG AA passes).

Color values

HEX	#4B78CA
RGB	rgb(75, 120, 202)
HSL	hsl(219, 55%, 54%)
HSV	hsv(219, 63%, 79%)
CMYK	cmyk(62.9%, 40.6%, 0%, 20.8%)
CIE-LAB	lab(50.91, 10.35, -47.23)
CIE-LCH	lch(50.91, 48.35, 282.36°)
OKLab	oklab(58.01% -0.0202 -0.1344)
OKLCH	oklch(58.01% 0.136 261.4)
XYZ	xyz(20.2750, 19.1912, 58.5015)
Luminance	0.1919 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4B78CA #CA9D4B

analogous

#4BB8CA #4B78CA #5E4BCA

triadic

#4B78CA #CA4B78 #78CA4B

tetradic

#4B78CA #CA4BB8 #CA9D4B #4BCA5E

square

#4B78CA #CA4BB8 #CA9D4B #4BCA5E

split-complementary

#4B78CA #CA5E4B #B8CA4B

monochromatic

#234177 #315BA7 #4B78CA #7A9BD8 #AABFE6

Accessibility & contrast

On white

4.34

#4B78CA on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.84

#4B78CA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4B78CA

4.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4B78CA	#FFFFFF	#000000	##000000
##4B78CA	1.00	4.34	4.84	4.84
#FFFFFF	4.34	1.00	21.00	21.00
#000000	4.84	21.00	1.00	1.00
##000000	4.84	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: #4b78ca;
/* rgb */ color: rgb(75, 120, 202);
/* oklch */ color: oklch(58.0% 0.136 261.4);

Tailwind

colors: {
  custom: {
    50: '#899eda',
    500: '#4b78ca',
    950: '#000000',
  },
}

SCSS

$custom: #4b78ca;
$custom-light: #899eda;
$custom-dark: #000000;

JSON

{
  "hex": "#4b78ca",
  "rgb": {
    "r": 75,
    "g": 120,
    "b": 202
  },
  "hsl": {
    "h": 218.74,
    "s": 54.506,
    "l": 54.314
  },
  "oklch": {
    "l": 0.58005,
    "c": 0.13596,
    "h": 261.4
  },
  "luminance": 0.19193
}

Semantic roles & 50–950 ramp

primary

#4B78CA

secondary

#D3C09D

accent

#A94ADE

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0C0E15

muted

#7D7E83

Preview Lab

Preview with #4B78CA

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

Preview Lab → · Contrast checker → · Palette generator →