#4A78CC#4A78CC

#4A78CC is a mid, vivid blue. Relative luminance 0.192; OKLCH L 58.1% C 0.139 H 261.4°. Best body text is #000000 at 4.85:1 contrast (WCAG AA passes).

Color values

HEX	#4A78CC
RGB	rgb(74, 120, 204)
HSL	hsl(219, 56%, 55%)
HSV	hsv(219, 64%, 80%)
CMYK	cmyk(63.7%, 41.2%, 0%, 20%)
CIE-LAB	lab(50.97, 10.86, -48.27)
CIE-LCH	lch(50.97, 49.48, 282.68°)
OKLab	oklab(58.08% -0.0207 -0.1375)
OKLCH	oklch(58.08% 0.139 261.4)
XYZ	xyz(20.4358, 19.2465, 59.7530)
Luminance	0.1925 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4A78CC #CC9E4A

analogous

#4AB9CC #4A78CC #5D4ACC

triadic

#4A78CC #CC4A78 #78CC4A

tetradic

#4A78CC #CC4AB9 #CC9E4A #4ACC5D

square

#4A78CC #CC4AB9 #CC9E4A #4ACC5D

split-complementary

#4A78CC #CC5D4A #B9CC4A

monochromatic

#224179 #305BA9 #4A78CC #7A9CD9 #A9BFE7

Accessibility & contrast

On white

4.33

#4A78CC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.85

#4A78CC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4A78CC

4.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4A78CC	#FFFFFF	#000000	##000000
##4A78CC	1.00	4.33	4.85	4.85
#FFFFFF	4.33	1.00	21.00	21.00
#000000	4.85	21.00	1.00	1.00
##000000	4.85	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5280CF

Deuteranopia (green-blind)

#3F74CA

Tritanopia (blue-blind)

#008B98

Achromatopsia (no color)

#797979

Design tokens & code

CSS

--color: #4a78cc;
/* rgb */ color: rgb(74, 120, 204);
/* oklch */ color: oklch(58.1% 0.139 261.4);

Tailwind

colors: {
  custom: {
    50: '#899edc',
    500: '#4a78cc',
    950: '#000000',
  },
}

SCSS

$custom: #4a78cc;
$custom-light: #899edc;
$custom-dark: #000000;

JSON

{
  "hex": "#4a78cc",
  "rgb": {
    "r": 74,
    "g": 120,
    "b": 204
  },
  "hsl": {
    "h": 218.769,
    "s": 56.034,
    "l": 54.51
  },
  "oklch": {
    "l": 0.58078,
    "c": 0.13905,
    "h": 261.4
  },
  "luminance": 0.19248
}

Semantic roles & 50–950 ramp

primary

#4A78CC

secondary

#D4C19D

accent

#AA48DF

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0D0E15

muted

#7D7E83

Preview Lab

Preview with #4A78CC

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

Preview Lab → · Contrast checker → · Palette generator →