#3188B0#3188B0

#3188B0 is a mid, moderate cyan. Relative luminance 0.214; OKLCH L 59.3% C 0.101 H 232.2°. Best body text is #000000 at 5.28:1 contrast (WCAG AA passes).

Color values

HEX#3188B0
RGBrgb(49, 136, 176)
HSLhsl(199, 56%, 44%)
HSVhsv(199, 72%, 69%)
CMYKcmyk(72.2%, 22.7%, 0%, 31%)
CIE-LABlab(53.38, -12.42, -28.53)
CIE-LCHlch(53.38, 31.11, 246.47°)
OKLaboklab(59.27% -0.0621 -0.0802)
OKLCHoklch(59.27% 0.101 232.2)
XYZxyz(17.9041, 21.3938, 44.2517)
Luminance0.2140 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3188B0 #B05931
analogous
#31B099 #3188B0 #3149B0
triadic
#3188B0 #B03188 #88B031
tetradic
#3188B0 #9931B0 #B05931 #49B031
square
#3188B0 #9931B0 #B05931 #49B031
split-complementary
#3188B0 #B03149 #B09931
monochromatic
#163E50 #246380 #3188B0 #50A6CE #80BFDC

Accessibility & contrast

On white

3.98
#3188B0 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.28
#3188B0 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3188B0
5.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3188B0#FFFFFF#000000##000000
##3188B01.003.985.285.28
#FFFFFF3.981.0021.0021.00
#0000005.2821.001.001.00
##0000005.2821.001.001.00

Color blindness preview

Protanopia (red-blind)
#7486B2
Deuteranopia (green-blind)
#637AAF
Tritanopia (blue-blind)
#009395
Achromatopsia (no color)
#7F7F7F

Design tokens & code

CSS
--color: #3188b0;
/* rgb */ color: rgb(49, 136, 176);
/* oklch */ color: oklch(59.3% 0.101 232.2);
Tailwind
colors: {
  custom: {
    50: '#7aaac7',
    500: '#3188b0',
    950: '#000000',
  },
}
SCSS
$custom: #3188b0;
$custom-light: #7aaac7;
$custom-dark: #000000;
JSON
{
  "hex": "#3188b0",
  "rgb": {
    "r": 49,
    "g": 136,
    "b": 176
  },
  "hsl": {
    "h": 198.898,
    "s": 56.444,
    "l": 44.118
  },
  "oklch": {
    "l": 0.59266,
    "c": 0.10143,
    "h": 232.2
  },
  "luminance": 0.21396
}

Semantic roles & 50–950 ramp

primary
#3188B0
secondary
#C59078
accent
#7848E0
background
#F8FAFC
surface
#EFF4F8
border
#CACED1
text
#0A1013
muted
#7C7F82

Preview Lab

Preview with #3188B0

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

Preview Lab → · Contrast checker → · Palette generator →

#3188B0 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva