#3C78D7#3C78D7

#3C78D7 is a mid, vivid blue. Relative luminance 0.193; OKLCH L 58.2% C 0.159 H 259.3°. Best body text is #000000 at 4.86:1 contrast (WCAG AA passes).

Color values

HEX	#3C78D7
RGB	rgb(60, 120, 215)
HSL	hsl(217, 66%, 54%)
HSV	hsv(217, 72%, 84%)
CMYK	cmyk(72.1%, 44.2%, 0%, 15.7%)
CIE-LAB	lab(51.03, 12.57, -54.45)
CIE-LCH	lch(51.03, 55.89, 283.00°)
OKLab	oklab(58.17% -0.0295 -0.1559)
OKLCH	oklch(58.17% 0.159 259.3)
XYZ	xyz(20.8413, 19.2976, 66.9032)
Luminance	0.1930 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3C78D7 #D79B3C

analogous

#3CC6D7 #3C78D7 #4E3CD7

triadic

#3C78D7 #D73C78 #78D73C

tetradic

#3C78D7 #D73CC6 #D79B3C #3CD74E

square

#3C78D7 #D73CC6 #D79B3C #3CD74E

split-complementary

#3C78D7 #D74E3C #C6D73C

monochromatic

#1A417F #245BB1 #3C78D7 #6F9BE1 #A2BEEC

Accessibility & contrast

On white

4.32

#3C78D7 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.86

#3C78D7 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3C78D7

4.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3C78D7	#FFFFFF	#000000	##000000
##3C78D7	1.00	4.32	4.86	4.86
#FFFFFF	4.32	1.00	21.00	21.00
#000000	4.86	21.00	1.00	1.00
##000000	4.86	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4881DB

Deuteranopia (green-blind)

#2A73D5

Tritanopia (blue-blind)

#008E9D

Achromatopsia (no color)

#7A7A7A

Design tokens & code

CSS

--color: #3c78d7;
/* rgb */ color: rgb(60, 120, 215);
/* oklch */ color: oklch(58.2% 0.159 259.3);

Tailwind

colors: {
  custom: {
    50: '#859ee4',
    500: '#3c78d7',
    950: '#000000',
  },
}

SCSS

$custom: #3c78d7;
$custom-light: #859ee4;
$custom-dark: #000000;

JSON

{
  "hex": "#3c78d7",
  "rgb": {
    "r": 60,
    "g": 120,
    "b": 215
  },
  "hsl": {
    "h": 216.774,
    "s": 65.957,
    "l": 53.922
  },
  "oklch": {
    "l": 0.58171,
    "c": 0.15866,
    "h": 259.3
  },
  "luminance": 0.193
}

Semantic roles & 50–950 ramp

primary

#3C78D7

secondary

#D8BF96

accent

#A73FE9

background

#F8F9FE

surface

#F0F2FC

border

#CBCCD5

text

#0C0E15

muted

#7D7E84

Preview Lab

Preview with #3C78D7

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

Preview Lab → · Contrast checker → · Palette generator →