#4E78C6#4E78C6

#4E78C6 is a mid, vivid blue. Relative luminance 0.191; OKLCH L 57.9% C 0.129 H 261.8°. Best body text is #000000 at 4.83:1 contrast (WCAG AA passes).

Color values

HEX	#4E78C6
RGB	rgb(78, 120, 198)
HSL	hsl(219, 51%, 54%)
HSV	hsv(219, 61%, 78%)
CMYK	cmyk(60.6%, 39.4%, 0%, 22.4%)
CIE-LAB	lab(50.84, 9.54, -45.05)
CIE-LCH	lch(50.84, 46.05, 281.96°)
OKLab	oklab(57.92% -0.0185 -0.128)
OKLCH	oklch(57.92% 0.129 261.8)
XYZ	xyz(20.0478, 19.1281, 56.0507)
Luminance	0.1913 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4E78C6 #C69C4E

analogous

#4EB4C6 #4E78C6 #604EC6

triadic

#4E78C6 #C64E78 #78C64E

tetradic

#4E78C6 #C64EB4 #C69C4E #4EC660

square

#4E78C6 #C64EB4 #C69C4E #4EC660

split-complementary

#4E78C6 #C6604E #B4C64E

monochromatic

#254174 #345BA2 #4E78C6 #7C9BD5 #ABBFE4

Accessibility & contrast

On white

4.35

#4E78C6 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.83

#4E78C6 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4E78C6

4.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4E78C6	#FFFFFF	#000000	##000000
##4E78C6	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)

#567FC9

Deuteranopia (green-blind)

#4674C4

Tritanopia (blue-blind)

#008A95

Achromatopsia (no color)

#797979

Design tokens & code

CSS

--color: #4e78c6;
/* rgb */ color: rgb(78, 120, 198);
/* oklch */ color: oklch(57.9% 0.129 261.8);

Tailwind

colors: {
  custom: {
    50: '#8a9ed8',
    500: '#4e78c6',
    950: '#000000',
  },
}

SCSS

$custom: #4e78c6;
$custom-light: #8a9ed8;
$custom-dark: #000000;

JSON

{
  "hex": "#4e78c6",
  "rgb": {
    "r": 78,
    "g": 120,
    "b": 198
  },
  "hsl": {
    "h": 219,
    "s": 51.282,
    "l": 54.118
  },
  "oklch": {
    "l": 0.57917,
    "c": 0.12933,
    "h": 261.8
  },
  "luminance": 0.1913
}

Semantic roles & 50–950 ramp

primary

#4E78C6

secondary

#D1C09E

accent

#A94DDB

background

#F8F9FD

surface

#F0F2FA

border

#CBCCD3

text

#0D0E14

muted

#7D7E83

Preview Lab

Preview with #4E78C6

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

Preview Lab → · Contrast checker → · Palette generator →