#177D8A#177D8A

#177D8A is a mid, moderate teal. Relative luminance 0.167; OKLCH L 54.2% C 0.088 H 208.3°. Best body text is #FFFFFF at 4.84:1 contrast (WCAG AA passes).

Color values

HEX#177D8A
RGBrgb(23, 125, 138)
HSLhsl(187, 71%, 32%)
HSVhsv(187, 83%, 54%)
CMYKcmyk(83.3%, 9.4%, 0%, 45.9%)
CIE-LABlab(47.86, -22.53, -14.95)
CIE-LCHlch(47.86, 27.04, 213.56°)
OKLaboklab(54.17% -0.0773 -0.0416)
OKLCHoklch(54.17% 0.088 208.3)
XYZxyz(12.2724, 16.6828, 26.6131)
Luminance0.1668 (WCAG relative)
Temperaturecool
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#177D8A #8A2417
analogous
#178A5E #177D8A #17438A
triadic
#177D8A #8A177D #7D8A17
tetradic
#177D8A #5E178A #8A2417 #438A17
square
#177D8A #5E178A #8A2417 #438A17
split-complementary
#177D8A #8A1743 #8A5E17
monochromatic
#061E21 #0E4D56 #177D8A #20ADBE #3DCCDF

Accessibility & contrast

On white

4.84
#177D8A on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

4.34
#177D8A on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #177D8A
4.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##177D8A#FFFFFF#000000##FFFFFF
##177D8A1.004.844.344.84
#FFFFFF4.841.0021.001.00
#0000004.3421.001.0021.00
##FFFFFF4.841.0021.001.00

Color blindness preview

Protanopia (red-blind)
#71788B
Deuteranopia (green-blind)
#626D8A
Tritanopia (blue-blind)
#008381
Achromatopsia (no color)
#727272

Design tokens & code

CSS
--color: #177d8a;
/* rgb */ color: rgb(23, 125, 138);
/* oklch */ color: oklch(54.2% 0.088 208.3);
Tailwind
colors: {
  custom: {
    50: '#6ba3ac',
    500: '#177d8a',
    950: '#000000',
  },
}
SCSS
$custom: #177d8a;
$custom-light: #6ba3ac;
$custom-dark: #000000;
JSON
{
  "hex": "#177d8a",
  "rgb": {
    "r": 23,
    "g": 125,
    "b": 138
  },
  "hsl": {
    "h": 186.783,
    "s": 71.429,
    "l": 31.569
  },
  "oklch": {
    "l": 0.54174,
    "c": 0.08779,
    "h": 208.3
  },
  "luminance": 0.16684
}

Semantic roles & 50–950 ramp

primary
#177D8A
secondary
#BE4D3F
accent
#4E3AEE
background
#F7FAFA
surface
#EDF3F4
border
#C8CDCE
text
#080F10
muted
#7B7F7F

Preview Lab

Preview with #177D8A

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

Preview Lab → · Contrast checker → · Palette generator →

#177D8A Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva