#4E78D3#4E78D3

#4E78D3 is a mid, vivid blue. Relative luminance 0.198; OKLCH L 58.7% C 0.147 H 263.8°. Best body text is #000000 at 4.95:1 contrast (WCAG AA passes).

Color values

HEX	#4E78D3
RGB	rgb(78, 120, 211)
HSL	hsl(221, 60%, 57%)
HSV	hsv(221, 63%, 83%)
CMYK	cmyk(63%, 43.1%, 0%, 17.3%)
CIE-LAB	lab(51.56, 13.98, -51.31)
CIE-LCH	lch(51.56, 53.18, 285.24°)
OKLab	oklab(58.71% -0.0159 -0.1463)
OKLCH	oklch(58.71% 0.147 263.8)
XYZ	xyz(21.6121, 19.7538, 64.2893)
Luminance	0.1976 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4E78D3 #D3A94E

analogous

#4EBAD3 #4E78D3 #674ED3

triadic

#4E78D3 #D34E78 #78D34E

tetradic

#4E78D3 #D34EBA #D3A94E #4ED367

square

#4E78D3 #D34EBA #D3A94E #4ED367

split-complementary

#4E78D3 #D3674E #BAD34E

monochromatic

#214185 #2D59B6 #4E78D3 #7F9DDF #B0C3EB

Accessibility & contrast

On white

4.24

#4E78D3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.95

#4E78D3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4E78D3

4.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4E78D3	#FFFFFF	#000000	##000000
##4E78D3	1.00	4.24	4.95	4.95
#FFFFFF	4.24	1.00	21.00	21.00
#000000	4.95	21.00	1.00	1.00
##000000	4.95	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4E81D6

Deuteranopia (green-blind)

#3975D1

Tritanopia (blue-blind)

#008D9B

Achromatopsia (no color)

#7B7B7B

Design tokens & code

CSS

--color: #4e78d3;
/* rgb */ color: rgb(78, 120, 211);
/* oklch */ color: oklch(58.7% 0.147 263.8);

Tailwind

colors: {
  custom: {
    50: '#8c9ee1',
    500: '#4e78d3',
    950: '#000000',
  },
}

SCSS

$custom: #4e78d3;
$custom-light: #8c9ee1;
$custom-dark: #000000;

JSON

{
  "hex": "#4e78d3",
  "rgb": {
    "r": 78,
    "g": 120,
    "b": 211
  },
  "hsl": {
    "h": 221.053,
    "s": 60.181,
    "l": 56.667
  },
  "oklch": {
    "l": 0.58708,
    "c": 0.14721,
    "h": 263.8
  },
  "luminance": 0.19756
}

Semantic roles & 50–950 ramp

primary

#4E78D3

secondary

#DAC8A3

accent

#B144E3

background

#F9F9FD

surface

#F1F2FB

border

#CBCCD4

text

#0D0E15

muted

#7E7E83

Preview Lab

Preview with #4E78D3

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

Preview Lab → · Contrast checker → · Palette generator →