#3779C4#3779C4

#3779C4 is a mid, vivid cyan. Relative luminance 0.185; OKLCH L 57.0% C 0.134 H 253.6°. Best body text is #000000 at 4.69:1 contrast (WCAG AA passes).

Color values

HEX	#3779C4
RGB	rgb(55, 121, 196)
HSL	hsl(212, 56%, 49%)
HSV	hsv(212, 72%, 77%)
CMYK	cmyk(71.9%, 38.3%, 0%, 23.1%)
CIE-LAB	lab(50.06, 4.35, -45.20)
CIE-LCH	lch(50.06, 45.41, 275.50°)
OKLab	oklab(57.02% -0.0378 -0.1288)
OKLCH	oklch(57.02% 0.134 253.6)
XYZ	xyz(18.3730, 18.4705, 54.8107)
Luminance	0.1847 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3779C4 #C48237

analogous

#37C0C4 #3779C4 #3C37C4

triadic

#3779C4 #C43779 #79C437

tetradic

#3779C4 #C437C0 #C48237 #37C43C

square

#3779C4 #C437C0 #C48237 #37C43C

split-complementary

#3779C4 #C43C37 #C0C437

monochromatic

#1C3E64 #2A5B94 #3779C4 #6599D4 #94B8E1

Accessibility & contrast

On white

4.47

#3779C4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.69

#3779C4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3779C4

4.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3779C4	#FFFFFF	#000000	##000000
##3779C4	1.00	4.47	4.69	4.69
#FFFFFF	4.47	1.00	21.00	21.00
#000000	4.69	21.00	1.00	1.00
##000000	4.69	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#567EC7

Deuteranopia (green-blind)

#4171C2

Tritanopia (blue-blind)

#008B95

Achromatopsia (no color)

#777777

Design tokens & code

CSS

--color: #3779c4;
/* rgb */ color: rgb(55, 121, 196);
/* oklch */ color: oklch(57.0% 0.134 253.6);

Tailwind

colors: {
  custom: {
    50: '#7f9fd6',
    500: '#3779c4',
    950: '#000000',
  },
}

SCSS

$custom: #3779c4;
$custom-light: #7f9fd6;
$custom-dark: #000000;

JSON

{
  "hex": "#3779c4",
  "rgb": {
    "r": 55,
    "g": 121,
    "b": 196
  },
  "hsl": {
    "h": 211.915,
    "s": 56.175,
    "l": 49.216
  },
  "oklch": {
    "l": 0.57017,
    "c": 0.13421,
    "h": 253.6
  },
  "luminance": 0.18472
}

Semantic roles & 50–950 ramp

primary

#3779C4

secondary

#CCAD8B

accent

#9948DF

background

#F8F9FD

surface

#EFF2FA

border

#CACCD3

text

#0B0E14

muted

#7C7E83

Preview Lab

Preview with #3779C4

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

Preview Lab → · Contrast checker → · Palette generator →