#3799AB#3799AB

#3799AB is a light, moderate teal. Relative luminance 0.265; OKLCH L 63.4% C 0.093 H 212.1°. Best body text is #000000 at 6.31:1 contrast (WCAG AA passes).

Color values

HEX#3799AB
RGBrgb(55, 153, 171)
HSLhsl(189, 51%, 44%)
HSVhsv(189, 68%, 67%)
CMYKcmyk(67.8%, 10.5%, 0%, 32.9%)
CIE-LABlab(58.54, -22.34, -17.73)
CIE-LCHlch(58.54, 28.52, 218.43°)
OKLaboklab(63.38% -0.0785 -0.0493)
OKLCHoklch(63.38% 0.093 212.1)
XYZxyz(20.3144, 26.5327, 42.5709)
Luminance0.2653 (WCAG relative)
Temperaturecool
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3799AB #AB4937
analogous
#37AB83 #3799AB #375FAB
triadic
#3799AB #AB3799 #99AB37
tetradic
#3799AB #8337AB #AB4937 #5FAB37
square
#3799AB #8337AB #AB4937 #5FAB37
split-complementary
#3799AB #AB375F #AB8337
monochromatic
#19464E #28707D #3799AB #56B7C9 #85CBD8

Accessibility & contrast

On white

3.33
#3799AB on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

6.31
#3799AB on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3799AB
6.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3799AB#FFFFFF#000000##000000
##3799AB1.003.336.316.31
#FFFFFF3.331.0021.0021.00
#0000006.3121.001.001.00
##0000006.3121.001.001.00

Color blindness preview

Protanopia (red-blind)
#8B94AC
Deuteranopia (green-blind)
#7A87AB
Tritanopia (blue-blind)
#00A09E
Achromatopsia (no color)
#8D8D8D

Design tokens & code

CSS
--color: #3799ab;
/* rgb */ color: rgb(55, 153, 171);
/* oklch */ color: oklch(63.4% 0.093 212.1);
Tailwind
colors: {
  custom: {
    50: '#7db7c4',
    500: '#3799ab',
    950: '#000000',
  },
}
SCSS
$custom: #3799ab;
$custom-light: #7db7c4;
$custom-dark: #000000;
JSON
{
  "hex": "#3799ab",
  "rgb": {
    "r": 55,
    "g": 153,
    "b": 171
  },
  "hsl": {
    "h": 189.31,
    "s": 51.327,
    "l": 44.314
  },
  "oklch": {
    "l": 0.63383,
    "c": 0.09272,
    "h": 212.1
  },
  "luminance": 0.26535
}

Semantic roles & 50–950 ramp

primary
#3799AB
secondary
#C1877C
accent
#634DDB
background
#F8FBFC
surface
#EFF6F8
border
#CAD0D1
text
#0B1112
muted
#7C8081

Preview Lab

Preview with #3799AB

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

Preview Lab → · Contrast checker → · Palette generator →

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