#175657#175657

#175657 is a dark, moderate teal. Relative luminance 0.075; OKLCH L 41.5% C 0.062 H 196.6°. Best body text is #FFFFFF at 8.38:1 contrast (WCAG AA passes).

Color values

HEX#175657
RGBrgb(23, 86, 87)
HSLhsl(181, 58%, 22%)
HSVhsv(181, 74%, 34%)
CMYKcmyk(73.6%, 1.1%, 0%, 65.9%)
CIE-LABlab(32.97, -18.87, -6.34)
CIE-LCHlch(32.97, 19.91, 198.58°)
OKLaboklab(41.51% -0.0591 -0.0176)
OKLCHoklch(41.51% 0.062 196.6)
XYZxyz(5.4007, 7.5252, 10.1829)
Luminance0.0753 (WCAG relative)
Temperaturecool
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#175657 #571817
analogous
#175738 #175657 #173657
triadic
#175657 #571756 #565717
tetradic
#175657 #381757 #571817 #365717
square
#175657 #381757 #571817 #365717
split-complementary
#175657 #571736 #573817
monochromatic
#061818 #0A2627 #175657 #248687 #31B6B8

Accessibility & contrast

On white

8.38
#175657 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.51
#175657 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #175657
8.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##175657#FFFFFF#000000##FFFFFF
##1756571.008.382.518.38
#FFFFFF8.381.0021.001.00
#0000002.5121.001.0021.00
##FFFFFF8.381.0021.001.00

Color blindness preview

Protanopia (red-blind)
#505257
Deuteranopia (green-blind)
#464B57
Tritanopia (blue-blind)
#005956
Achromatopsia (no color)
#4E4E4E

Design tokens & code

CSS
--color: #175657;
/* rgb */ color: rgb(23, 86, 87);
/* oklch */ color: oklch(41.5% 0.062 196.6);
Tailwind
colors: {
  custom: {
    50: '#5f8686',
    500: '#175657',
    950: '#000000',
  },
}
SCSS
$custom: #175657;
$custom-light: #5f8686;
$custom-dark: #000000;
JSON
{
  "hex": "#175657",
  "rgb": {
    "r": 23,
    "g": 86,
    "b": 87
  },
  "hsl": {
    "h": 180.938,
    "s": 58.182,
    "l": 21.569
  },
  "oklch": {
    "l": 0.41509,
    "c": 0.0617,
    "h": 196.6
  },
  "luminance": 0.07526
}

Semantic roles & 50–950 ramp

primary
#175657
secondary
#8E3D3C
accent
#4946E1
background
#F5F8F8
surface
#EAEFEF
border
#C6CACA
text
#050B0B
muted
#797C7C

Preview Lab

Preview with #175657

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

Preview Lab → · Contrast checker → · Palette generator →

#175657 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva