#3779C0#3779C0

#3779C0 is a mid, vivid cyan. Relative luminance 0.183; OKLCH L 56.8% C 0.129 H 252.5°. Best body text is #000000 at 4.66:1 contrast (WCAG AA passes).

Color values

HEX	#3779C0
RGB	rgb(55, 121, 192)
HSL	hsl(211, 55%, 48%)
HSV	hsv(211, 71%, 75%)
CMYK	cmyk(71.4%, 37%, 0%, 24.7%)
CIE-LAB	lab(49.85, 2.90, -43.25)
CIE-LCH	lch(49.85, 43.34, 273.84°)
OKLab	oklab(56.78% -0.0388 -0.123)
OKLCH	oklch(56.78% 0.129 252.5)
XYZ	xyz(17.9238, 18.2908, 52.4448)
Luminance	0.1829 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3779C0 #C07E37

analogous

#37BDC0 #3779C0 #3937C0

triadic

#3779C0 #C03779 #79C037

tetradic

#3779C0 #C037BD #C07E37 #37C039

square

#3779C0 #C037BD #C07E37 #37C039

split-complementary

#3779C0 #C03937 #BDC037

monochromatic

#1C3D61 #295B90 #3779C0 #6298D2 #92B7E0

Accessibility & contrast

On white

4.51

#3779C0 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.66

#3779C0 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3779C0

4.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3779C0	#FFFFFF	#000000	##000000
##3779C0	1.00	4.51	4.66	4.66
#FFFFFF	4.51	1.00	21.00	21.00
#000000	4.66	21.00	1.00	1.00
##000000	4.66	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#597EC3

Deuteranopia (green-blind)

#4471BF

Tritanopia (blue-blind)

#008A93

Achromatopsia (no color)

#777777

Design tokens & code

CSS

--color: #3779c0;
/* rgb */ color: rgb(55, 121, 192);
/* oklch */ color: oklch(56.8% 0.129 252.5);

Tailwind

colors: {
  custom: {
    50: '#7e9fd3',
    500: '#3779c0',
    950: '#000000',
  },
}

SCSS

$custom: #3779c0;
$custom-light: #7e9fd3;
$custom-dark: #000000;

JSON

{
  "hex": "#3779c0",
  "rgb": {
    "r": 55,
    "g": 121,
    "b": 192
  },
  "hsl": {
    "h": 211.095,
    "s": 55.466,
    "l": 48.431
  },
  "oklch": {
    "l": 0.56779,
    "c": 0.12903,
    "h": 252.5
  },
  "luminance": 0.18293
}

Semantic roles & 50–950 ramp

primary

#3779C0

secondary

#CBAB88

accent

#9749DF

background

#F8F9FD

surface

#EFF2FA

border

#CACCD3

text

#0B0E14

muted

#7C7E83

Preview Lab

Preview with #3779C0

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

Preview Lab → · Contrast checker → · Palette generator →