#3779C6#3779C6

#3779C6 is a mid, vivid cyan. Relative luminance 0.186; OKLCH L 57.1% C 0.137 H 254.2°. Best body text is #000000 at 4.71:1 contrast (WCAG AA passes).

Color values

HEX	#3779C6
RGB	rgb(55, 121, 198)
HSL	hsl(212, 57%, 50%)
HSV	hsv(212, 72%, 78%)
CMYK	cmyk(72.2%, 38.9%, 0%, 22.4%)
CIE-LAB	lab(50.17, 5.08, -46.17)
CIE-LCH	lch(50.17, 46.45, 276.28°)
OKLab	oklab(57.14% -0.0373 -0.1316)
OKLCH	oklch(57.14% 0.137 254.2)
XYZ	xyz(18.6022, 18.5621, 56.0176)
Luminance	0.1856 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3779C6 #C68437

analogous

#37C1C6 #3779C6 #3D37C6

triadic

#3779C6 #C63779 #79C637

tetradic

#3779C6 #C637C1 #C68437 #37C63D

square

#3779C6 #C637C1 #C68437 #37C63D

split-complementary

#3779C6 #C63D37 #C1C637

monochromatic

#1C3E66 #2A5C96 #3779C6 #6699D4 #96B9E2

Accessibility & contrast

On white

4.46

#3779C6 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.71

#3779C6 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3779C6

4.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3779C6	#FFFFFF	#000000	##000000
##3779C6	1.00	4.46	4.71	4.71
#FFFFFF	4.46	1.00	21.00	21.00
#000000	4.71	21.00	1.00	1.00
##000000	4.71	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#557FC9

Deuteranopia (green-blind)

#3F71C4

Tritanopia (blue-blind)

#008B96

Achromatopsia (no color)

#777777

Design tokens & code

CSS

--color: #3779c6;
/* rgb */ color: rgb(55, 121, 198);
/* oklch */ color: oklch(57.1% 0.137 254.2);

Tailwind

colors: {
  custom: {
    50: '#7f9fd8',
    500: '#3779c6',
    950: '#000000',
  },
}

SCSS

$custom: #3779c6;
$custom-light: #7f9fd8;
$custom-dark: #000000;

JSON

{
  "hex": "#3779c6",
  "rgb": {
    "r": 55,
    "g": 121,
    "b": 198
  },
  "hsl": {
    "h": 212.308,
    "s": 56.522,
    "l": 49.608
  },
  "oklch": {
    "l": 0.57138,
    "c": 0.13681,
    "h": 254.2
  },
  "luminance": 0.18564
}

Semantic roles & 50–950 ramp

primary

#3779C6

secondary

#CDAF8C

accent

#9A48E0

background

#F8F9FD

surface

#F0F2FA

border

#CBCCD3

text

#0B0E14

muted

#7C7E83

Preview Lab

Preview with #3779C6

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

Preview Lab → · Contrast checker → · Palette generator →