#17818B#17818B

#17818B is a mid, moderate teal. Relative luminance 0.177; OKLCH L 55.3% C 0.089 H 204.9°. Best body text is #FFFFFF at 4.62:1 contrast (WCAG AA passes).

Color values

HEX#17818B
RGBrgb(23, 129, 139)
HSLhsl(185, 72%, 32%)
HSVhsv(185, 83%, 55%)
CMYKcmyk(83.5%, 7.2%, 0%, 45.5%)
CIE-LABlab(49.19, -24.27, -13.52)
CIE-LCHlch(49.19, 27.79, 209.12°)
OKLaboklab(55.26% -0.0809 -0.0376)
OKLCHoklch(55.26% 0.089 204.9)
XYZxyz(12.8617, 17.7451, 27.1684)
Luminance0.1775 (WCAG relative)
Temperaturecool
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#17818B #8B2117
analogous
#178B5B #17818B #17478B
triadic
#17818B #8B1781 #818B17
tetradic
#17818B #5B178B #8B2117 #478B17
square
#17818B #5B178B #8B2117 #478B17
split-complementary
#17818B #8B1747 #8B5B17
monochromatic
#062022 #0E5056 #17818B #20B2C0 #3DD1DF

Accessibility & contrast

On white

4.62
#17818B on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

4.55
#17818B on #000000
AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #17818B
4.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##17818B#FFFFFF#000000##FFFFFF
##17818B1.004.624.554.62
#FFFFFF4.621.0021.001.00
#0000004.5521.001.0021.00
##FFFFFF4.621.0021.001.00

Color blindness preview

Protanopia (red-blind)
#757B8C
Deuteranopia (green-blind)
#66708B
Tritanopia (blue-blind)
#008784
Achromatopsia (no color)
#757575

Design tokens & code

CSS
--color: #17818b;
/* rgb */ color: rgb(23, 129, 139);
/* oklch */ color: oklch(55.3% 0.089 204.9);
Tailwind
colors: {
  custom: {
    50: '#6ca6ac',
    500: '#17818b',
    950: '#000000',
  },
}
SCSS
$custom: #17818b;
$custom-light: #6ca6ac;
$custom-dark: #000000;
JSON
{
  "hex": "#17818b",
  "rgb": {
    "r": 23,
    "g": 129,
    "b": 139
  },
  "hsl": {
    "h": 185.172,
    "s": 71.605,
    "l": 31.765
  },
  "oklch": {
    "l": 0.55261,
    "c": 0.08921,
    "h": 204.9
  },
  "luminance": 0.17747
}

Semantic roles & 50–950 ramp

primary
#17818B
secondary
#BF4A3F
accent
#4939EE
background
#F7FAFA
surface
#EDF4F4
border
#C8CECE
text
#080F10
muted
#7B7F7F

Preview Lab

Preview with #17818B

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

Preview Lab → · Contrast checker → · Palette generator →

#17818B Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva