#175B51#175B51

#175B51 is a dark, moderate teal. Relative luminance 0.083; OKLCH L 42.7% C 0.068 H 181.0°. Best body text is #FFFFFF at 7.92:1 contrast (WCAG AA passes).

Color values

HEX#175B51
RGBrgb(23, 91, 81)
HSLhsl(171, 60%, 22%)
HSVhsv(171, 75%, 36%)
CMYKcmyk(74.7%, 0%, 11%, 64.3%)
CIE-LABlab(34.51, -23.42, -0.29)
CIE-LCHlch(34.51, 23.42, 180.72°)
OKLaboklab(42.7% -0.068 -0.0012)
OKLCHoklch(42.7% 0.068 181)
XYZxyz(5.5789, 8.2578, 9.0829)
Luminance0.0826 (WCAG relative)
Temperaturecool
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#175B51 #5B1721
analogous
#175B2F #175B51 #17435B
triadic
#175B51 #51175B #5B5117
tetradic
#175B51 #2F175B #5B1721 #435B17
square
#175B51 #2F175B #5B1721 #435B17
split-complementary
#175B51 #5B1743 #5B2F17
monochromatic
#061816 #0B2A26 #175B51 #238C7C #30BDA8

Accessibility & contrast

On white

7.92
#175B51 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.65
#175B51 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #175B51
7.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##175B51#FFFFFF#000000##FFFFFF
##175B511.007.922.657.92
#FFFFFF7.921.0021.001.00
#0000002.6521.001.0021.00
##FFFFFF7.921.0021.001.00

Color blindness preview

Protanopia (red-blind)
#575551
Deuteranopia (green-blind)
#4D4E52
Tritanopia (blue-blind)
#005D58
Achromatopsia (no color)
#515151

Design tokens & code

CSS
--color: #175b51;
/* rgb */ color: rgb(23, 91, 81);
/* oklch */ color: oklch(42.7% 0.068 181.0);
Tailwind
colors: {
  custom: {
    50: '#608a81',
    500: '#175b51',
    950: '#000000',
  },
}
SCSS
$custom: #175b51;
$custom-light: #608a81;
$custom-dark: #000000;
JSON
{
  "hex": "#175b51",
  "rgb": {
    "r": 23,
    "g": 91,
    "b": 81
  },
  "hsl": {
    "h": 171.176,
    "s": 59.649,
    "l": 22.353
  },
  "oklch": {
    "l": 0.42695,
    "c": 0.06804,
    "h": 181
  },
  "luminance": 0.08258
}

Semantic roles & 50–950 ramp

primary
#175B51
secondary
#923C49
accent
#455CE3
background
#F5F8F7
surface
#EAF0EE
border
#C6CBC9
text
#050B0A
muted
#797C7C

Preview Lab

Preview with #175B51

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

Preview Lab → · Contrast checker → · Palette generator →

#175B51 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva