#17838B#17838B

#17838B is a mid, moderate teal. Relative luminance 0.183; OKLCH L 55.8% C 0.090 H 202.8°. Best body text is #000000 at 4.66:1 contrast (WCAG AA passes).

Color values

HEX#17838B
RGBrgb(23, 131, 139)
HSLhsl(184, 72%, 32%)
HSVhsv(184, 83%, 55%)
CMYKcmyk(83.5%, 5.8%, 0%, 45.5%)
CIE-LABlab(49.83, -25.30, -12.55)
CIE-LCHlch(49.83, 28.24, 206.38°)
OKLaboklab(55.78% -0.0829 -0.0349)
OKLCHoklch(55.78% 0.09 202.8)
XYZxyz(13.1277, 18.2772, 27.2570)
Luminance0.1828 (WCAG relative)
Temperaturecool
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#17838B #8B1F17
analogous
#178B59 #17838B #17498B
triadic
#17838B #8B1783 #838B17
tetradic
#17838B #59178B #8B1F17 #498B17
square
#17838B #59178B #8B1F17 #498B17
split-complementary
#17838B #8B1749 #8B5917
monochromatic
#062022 #0E5256 #17838B #20B4C0 #3DD4DF

Accessibility & contrast

On white

4.51
#17838B on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

4.66
#17838B on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #17838B
4.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##17838B#FFFFFF#000000##000000
##17838B1.004.514.664.66
#FFFFFF4.511.0021.0021.00
#0000004.6621.001.001.00
##0000004.6621.001.001.00

Color blindness preview

Protanopia (red-blind)
#787D8C
Deuteranopia (green-blind)
#68728B
Tritanopia (blue-blind)
#008985
Achromatopsia (no color)
#767676

Design tokens & code

CSS
--color: #17838b;
/* rgb */ color: rgb(23, 131, 139);
/* oklch */ color: oklch(55.8% 0.090 202.8);
Tailwind
colors: {
  custom: {
    50: '#6ca7ac',
    500: '#17838b',
    950: '#000000',
  },
}
SCSS
$custom: #17838b;
$custom-light: #6ca7ac;
$custom-dark: #000000;
JSON
{
  "hex": "#17838b",
  "rgb": {
    "r": 23,
    "g": 131,
    "b": 139
  },
  "hsl": {
    "h": 184.138,
    "s": 71.605,
    "l": 31.765
  },
  "oklch": {
    "l": 0.55783,
    "c": 0.08996,
    "h": 202.8
  },
  "luminance": 0.18279
}

Semantic roles & 50–950 ramp

primary
#17838B
secondary
#BF483F
accent
#4639EE
background
#F7FAFA
surface
#EDF4F4
border
#C8CECE
text
#080F10
muted
#7B7F7F

Preview Lab

Preview with #17838B

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

Preview Lab → · Contrast checker → · Palette generator →

#17838B Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva