#3C78C4#3C78C4

#3C78C4 is a mid, vivid cyan. Relative luminance 0.184; OKLCH L 57.0% C 0.133 H 255.5°. Best body text is #000000 at 4.68:1 contrast (WCAG AA passes).

Color values

HEX	#3C78C4
RGB	rgb(60, 120, 196)
HSL	hsl(214, 54%, 50%)
HSV	hsv(214, 69%, 77%)
CMYK	cmyk(69.4%, 38.8%, 0%, 23.1%)
CIE-LAB	lab(49.95, 5.71, -45.36)
CIE-LCH	lch(49.95, 45.72, 277.17°)
OKLab	oklab(56.98% -0.0334 -0.1292)
OKLCH	oklch(56.98% 0.133 255.5)
XYZ	xyz(18.5401, 18.3772, 54.7839)
Luminance	0.1838 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3C78C4 #C4883C

analogous

#3CBCC4 #3C78C4 #443CC4

triadic

#3C78C4 #C43C78 #78C43C

tetradic

#3C78C4 #C43CBC #C4883C #3CC444

square

#3C78C4 #C43CBC #C4883C #3CC444

split-complementary

#3C78C4 #C4443C #BCC43C

monochromatic

#1F3F67 #2D5B96 #3C78C4 #6B99D2 #9AB9E0

Accessibility & contrast

On white

4.49

#3C78C4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.68

#3C78C4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3C78C4

4.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3C78C4	#FFFFFF	#000000	##000000
##3C78C4	1.00	4.49	4.68	4.68
#FFFFFF	4.49	1.00	21.00	21.00
#000000	4.68	21.00	1.00	1.00
##000000	4.68	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#557EC7

Deuteranopia (green-blind)

#4171C2

Tritanopia (blue-blind)

#008A94

Achromatopsia (no color)

#777777

Design tokens & code

CSS

--color: #3c78c4;
/* rgb */ color: rgb(60, 120, 196);
/* oklch */ color: oklch(57.0% 0.133 255.5);

Tailwind

colors: {
  custom: {
    50: '#819ed6',
    500: '#3c78c4',
    950: '#000000',
  },
}

SCSS

$custom: #3c78c4;
$custom-light: #819ed6;
$custom-dark: #000000;

JSON

{
  "hex": "#3c78c4",
  "rgb": {
    "r": 60,
    "g": 120,
    "b": 196
  },
  "hsl": {
    "h": 213.529,
    "s": 53.543,
    "l": 50.196
  },
  "oklch": {
    "l": 0.5698,
    "c": 0.13345,
    "h": 255.5
  },
  "luminance": 0.18379
}

Semantic roles & 50–950 ramp

primary

#3C78C4

secondary

#CCB190

accent

#9C4BDD

background

#F8F9FD

surface

#F0F2FA

border

#CBCCD3

text

#0C0E14

muted

#7D7E83

Preview Lab

Preview with #3C78C4

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

Preview Lab → · Contrast checker → · Palette generator →