#3799C0#3799C0

#3799C0 is a light, moderate cyan. Relative luminance 0.274; OKLCH L 64.3% C 0.106 H 228.5°. Best body text is #000000 at 6.48:1 contrast (WCAG AA passes).

Color values

HEX#3799C0
RGBrgb(55, 153, 192)
HSLhsl(197, 55%, 48%)
HSVhsv(197, 71%, 75%)
CMYKcmyk(71.4%, 20.3%, 0%, 24.7%)
CIE-LABlab(59.34, -15.55, -28.38)
CIE-LCHlch(59.34, 32.35, 241.28°)
OKLaboklab(64.29% -0.0703 -0.0796)
OKLCHoklch(64.29% 0.106 228.5)
XYZxyz(22.4774, 27.3979, 53.9627)
Luminance0.2740 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3799C0 #C05E37
analogous
#37C0A2 #3799C0 #3754C0
triadic
#3799C0 #C03799 #99C037
tetradic
#3799C0 #A237C0 #C05E37 #54C037
square
#3799C0 #A237C0 #C05E37 #54C037
split-complementary
#3799C0 #C03754 #C0A237
monochromatic
#1C4D61 #297390 #3799C0 #62B2D2 #92C9E0

Accessibility & contrast

On white

3.24
#3799C0 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

6.48
#3799C0 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3799C0
6.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3799C0#FFFFFF#000000##000000
##3799C01.003.246.486.48
#FFFFFF3.241.0021.0021.00
#0000006.4821.001.001.00
##0000006.4821.001.001.00

Color blindness preview

Protanopia (red-blind)
#8596C2
Deuteranopia (green-blind)
#7289BF
Tritanopia (blue-blind)
#00A4A6
Achromatopsia (no color)
#8F8F8F

Design tokens & code

CSS
--color: #3799c0;
/* rgb */ color: rgb(55, 153, 192);
/* oklch */ color: oklch(64.3% 0.106 228.5);
Tailwind
colors: {
  custom: {
    50: '#7fb7d3',
    500: '#3799c0',
    950: '#000000',
  },
}
SCSS
$custom: #3799c0;
$custom-light: #7fb7d3;
$custom-dark: #000000;
JSON
{
  "hex": "#3799c0",
  "rgb": {
    "r": 55,
    "g": 153,
    "b": 192
  },
  "hsl": {
    "h": 197.08,
    "s": 55.466,
    "l": 48.431
  },
  "oklch": {
    "l": 0.64291,
    "c": 0.10617,
    "h": 228.5
  },
  "luminance": 0.274
}

Semantic roles & 50–950 ramp

primary
#3799C0
secondary
#CB9B88
accent
#7449DF
background
#F8FBFC
surface
#F0F6F9
border
#CBD0D2
text
#0B1114
muted
#7C8082

Preview Lab

Preview with #3799C0

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

Preview Lab → · Contrast checker → · Palette generator →

#3799C0 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva