#3C78C7#3C78C7

#3C78C7 is a mid, vivid cyan. Relative luminance 0.185; OKLCH L 57.2% C 0.137 H 256.2°. Best body text is #000000 at 4.70:1 contrast (WCAG AA passes).

Color values

HEX	#3C78C7
RGB	rgb(60, 120, 199)
HSL	hsl(214, 55%, 51%)
HSV	hsv(214, 70%, 78%)
CMYK	cmyk(69.8%, 39.7%, 0%, 22%)
CIE-LAB	lab(50.12, 6.78, -46.82)
CIE-LCH	lch(50.12, 47.31, 278.24°)
OKLab	oklab(57.16% -0.0327 -0.1335)
OKLCH	oklch(57.16% 0.137 256.2)
XYZ	xyz(18.8850, 18.5151, 56.6003)
Luminance	0.1852 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3C78C7 #C78B3C

analogous

#3CBDC7 #3C78C7 #453CC7

triadic

#3C78C7 #C73C78 #78C73C

tetradic

#3C78C7 #C73CBD #C78B3C #3CC745

square

#3C78C7 #C73CBD #C78B3C #3CC745

split-complementary

#3C78C7 #C7453C #BDC73C

monochromatic

#1E3F6A #2C5B9A #3C78C7 #6C99D5 #9BBAE2

Accessibility & contrast

On white

4.46

#3C78C7 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.70

#3C78C7 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3C78C7

4.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3C78C7	#FFFFFF	#000000	##000000
##3C78C7	1.00	4.46	4.70	4.70
#FFFFFF	4.46	1.00	21.00	21.00
#000000	4.70	21.00	1.00	1.00
##000000	4.70	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#537ECA

Deuteranopia (green-blind)

#3E71C5

Tritanopia (blue-blind)

#008A96

Achromatopsia (no color)

#777777

Design tokens & code

CSS

--color: #3c78c7;
/* rgb */ color: rgb(60, 120, 199);
/* oklch */ color: oklch(57.2% 0.137 256.2);

Tailwind

colors: {
  custom: {
    50: '#829ed8',
    500: '#3c78c7',
    950: '#000000',
  },
}

SCSS

$custom: #3c78c7;
$custom-light: #829ed8;
$custom-dark: #000000;

JSON

{
  "hex": "#3c78c7",
  "rgb": {
    "r": 60,
    "g": 120,
    "b": 199
  },
  "hsl": {
    "h": 214.101,
    "s": 55.378,
    "l": 50.784
  },
  "oklch": {
    "l": 0.57162,
    "c": 0.13742,
    "h": 256.2
  },
  "luminance": 0.18517
}

Semantic roles & 50–950 ramp

primary

#3C78C7

secondary

#CEB491

accent

#9E49DF

background

#F8F9FD

surface

#F0F2FA

border

#CBCCD3

text

#0C0E14

muted

#7D7E83

Preview Lab

Preview with #3C78C7

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

Preview Lab → · Contrast checker → · Palette generator →