#17555B#17555B

#17555B is a dark, moderate teal. Relative luminance 0.074; OKLCH L 41.4% C 0.062 H 204.4°. Best body text is #FFFFFF at 8.44:1 contrast (WCAG AA passes).

Color values

HEX#17555B
RGBrgb(23, 85, 91)
HSLhsl(185, 60%, 22%)
HSVhsv(185, 75%, 36%)
CMYKcmyk(74.7%, 6.6%, 0%, 64.3%)
CIE-LABlab(32.77, -16.97, -9.17)
CIE-LCHlch(32.77, 19.29, 208.39°)
OKLaboklab(41.4% -0.056 -0.0254)
OKLCHoklch(41.4% 0.062 204.4)
XYZxyz(5.4894, 7.4339, 11.0411)
Luminance0.0743 (WCAG relative)
Temperaturecool
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#17555B #5B1D17
analogous
#175B3F #17555B #17335B
triadic
#17555B #5B1755 #555B17
tetradic
#17555B #3F175B #5B1D17 #335B17
square
#17555B #3F175B #5B1D17 #335B17
split-complementary
#17555B #5B1733 #5B3F17
monochromatic
#061718 #0B272A #17555B #23838C #30B0BD

Accessibility & contrast

On white

8.44
#17555B on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.49
#17555B on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #17555B
8.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##17555B#FFFFFF#000000##FFFFFF
##17555B1.008.442.498.44
#FFFFFF8.441.0021.001.00
#0000002.4921.001.0021.00
##FFFFFF8.441.0021.001.00

Color blindness preview

Protanopia (red-blind)
#4E515B
Deuteranopia (green-blind)
#444A5B
Tritanopia (blue-blind)
#005957
Achromatopsia (no color)
#4D4D4D

Design tokens & code

CSS
--color: #17555b;
/* rgb */ color: rgb(23, 85, 91);
/* oklch */ color: oklch(41.4% 0.062 204.4);
Tailwind
colors: {
  custom: {
    50: '#608589',
    500: '#17555b',
    950: '#000000',
  },
}
SCSS
$custom: #17555b;
$custom-light: #608589;
$custom-dark: #000000;
JSON
{
  "hex": "#17555b",
  "rgb": {
    "r": 23,
    "g": 85,
    "b": 91
  },
  "hsl": {
    "h": 185.294,
    "s": 59.649,
    "l": 22.353
  },
  "oklch": {
    "l": 0.41397,
    "c": 0.06152,
    "h": 204.4
  },
  "luminance": 0.07434
}

Semantic roles & 50–950 ramp

primary
#17555B
secondary
#92443C
accent
#5345E3
background
#F5F8F8
surface
#EAEFF0
border
#C6CACB
text
#050B0B
muted
#797C7C

Preview Lab

Preview with #17555B

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

Preview Lab → · Contrast checker → · Palette generator →

#17555B Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva