#4C78E6#4C78E6

#4C78E6 is a mid, vivid blue. Relative luminance 0.207; OKLCH L 59.8% C 0.174 H 265.2°. Best body text is #000000 at 5.14:1 contrast (WCAG AA passes).

Color values

HEX	#4C78E6
RGB	rgb(76, 120, 230)
HSL	hsl(223, 75%, 60%)
HSV	hsv(223, 67%, 90%)
CMYK	cmyk(67%, 47.8%, 0%, 9.8%)
CIE-LAB	lab(52.60, 20.24, -60.36)
CIE-LCH	lch(52.60, 63.66, 288.54°)
OKLab	oklab(59.85% -0.0147 -0.173)
OKLCH	oklch(59.85% 0.174 265.2)
XYZ	xyz(23.9749, 20.6803, 77.5758)
Luminance	0.2068 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4C78E6 #E6BA4C

analogous

#4CC5E6 #4C78E6 #6D4CE6

triadic

#4C78E6 #E64C78 #78E64C

tetradic

#4C78E6 #E64CC5 #E6BA4C #4CE66D

square

#4C78E6 #E64CC5 #E6BA4C #4CE66D

split-complementary

#4C78E6 #E66D4C #C5E64C

monochromatic

#173EA1 #1E53D7 #4C78E6 #82A1ED #B7C9F5

Accessibility & contrast

On white

4.09

#4C78E6 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.14

#4C78E6 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4C78E6

5.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4C78E6	#FFFFFF	#000000	##000000
##4C78E6	1.00	4.09	5.14	5.14
#FFFFFF	4.09	1.00	21.00	21.00
#000000	5.14	21.00	1.00	1.00
##000000	5.14	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#3D85EA

Deuteranopia (green-blind)

#1677E4

Tritanopia (blue-blind)

#0092A4

Achromatopsia (no color)

#7D7D7D

Design tokens & code

CSS

--color: #4c78e6;
/* rgb */ color: rgb(76, 120, 230);
/* oklch */ color: oklch(59.8% 0.174 265.2);

Tailwind

colors: {
  custom: {
    50: '#8e9eee',
    500: '#4c78e6',
    950: '#000000',
  },
}

SCSS

$custom: #4c78e6;
$custom-light: #8e9eee;
$custom-dark: #000000;

JSON

{
  "hex": "#4c78e6",
  "rgb": {
    "r": 76,
    "g": 120,
    "b": 230
  },
  "hsl": {
    "h": 222.857,
    "s": 75.49,
    "l": 60
  },
  "oklch": {
    "l": 0.59845,
    "c": 0.17361,
    "h": 265.2
  },
  "luminance": 0.20683
}

Semantic roles & 50–950 ramp

primary

#4C78E6

secondary

#E5D4A9

accent

#BC36F2

background

#F9F9FE

surface

#F2F2FD

border

#CCCCD5

text

#0E0E16

muted

#7E7E84

Preview Lab

Preview with #4C78E6

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

Preview Lab → · Contrast checker → · Palette generator →