#3779C7#3779C7

#3779C7 is a mid, vivid cyan. Relative luminance 0.186; OKLCH L 57.2% C 0.138 H 254.4°. Best body text is #000000 at 4.72:1 contrast (WCAG AA passes).

Color values

HEX	#3779C7
RGB	rgb(55, 121, 199)
HSL	hsl(213, 57%, 50%)
HSV	hsv(213, 72%, 78%)
CMYK	cmyk(72.4%, 39.2%, 0%, 22%)
CIE-LAB	lab(50.23, 5.44, -46.65)
CIE-LCH	lch(50.23, 46.97, 276.65°)
OKLab	oklab(57.2% -0.0371 -0.133)
OKLCH	oklch(57.2% 0.138 254.4)
XYZ	xyz(18.7179, 18.6084, 56.6271)
Luminance	0.1861 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3779C7 #C78537

analogous

#37C1C7 #3779C7 #3D37C7

triadic

#3779C7 #C73779 #79C737

tetradic

#3779C7 #C737C1 #C78537 #37C73D

square

#3779C7 #C737C1 #C78537 #37C73D

split-complementary

#3779C7 #C73D37 #C1C737

monochromatic

#1C3F67 #2A5C97 #3779C7 #6699D5 #96B9E2

Accessibility & contrast

On white

4.45

#3779C7 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.72

#3779C7 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3779C7

4.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3779C7	#FFFFFF	#000000	##000000
##3779C7	1.00	4.45	4.72	4.72
#FFFFFF	4.45	1.00	21.00	21.00
#000000	4.72	21.00	1.00	1.00
##000000	4.72	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#557FCA

Deuteranopia (green-blind)

#3E71C5

Tritanopia (blue-blind)

#008B96

Achromatopsia (no color)

#777777

Design tokens & code

CSS

--color: #3779c7;
/* rgb */ color: rgb(55, 121, 199);
/* oklch */ color: oklch(57.2% 0.138 254.4);

Tailwind

colors: {
  custom: {
    50: '#809fd8',
    500: '#3779c7',
    950: '#000000',
  },
}

SCSS

$custom: #3779c7;
$custom-light: #809fd8;
$custom-dark: #000000;

JSON

{
  "hex": "#3779c7",
  "rgb": {
    "r": 55,
    "g": 121,
    "b": 199
  },
  "hsl": {
    "h": 212.5,
    "s": 56.693,
    "l": 49.804
  },
  "oklch": {
    "l": 0.57199,
    "c": 0.13812,
    "h": 254.4
  },
  "luminance": 0.1861
}

Semantic roles & 50–950 ramp

primary

#3779C7

secondary

#CDB08C

accent

#9A48E0

background

#F8F9FD

surface

#F0F2FA

border

#CBCCD3

text

#0B0E14

muted

#7C7E83

Preview Lab

Preview with #3779C7

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

Preview Lab → · Contrast checker → · Palette generator →