#175C6F#175C6F

#175C6F is a dark, moderate cyan. Relative luminance 0.090; OKLCH L 44.2% C 0.072 H 220.7°. Best body text is #FFFFFF at 7.51:1 contrast (WCAG AA passes).

Color values

HEX#175C6F
RGBrgb(23, 92, 111)
HSLhsl(193, 66%, 26%)
HSVhsv(193, 79%, 44%)
CMYKcmyk(79.3%, 17.1%, 0%, 56.5%)
CIE-LABlab(35.95, -13.87, -16.84)
CIE-LCHlch(35.95, 21.81, 230.53°)
OKLaboklab(44.22% -0.0547 -0.0471)
OKLCHoklch(44.22% 0.072 220.7)
XYZxyz(7.0485, 8.9833, 16.3983)
Luminance0.0898 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#175C6F #6F2A17
analogous
#176F56 #175C6F #17306F
triadic
#175C6F #6F175C #5C6F17
tetradic
#175C6F #56176F #6F2A17 #306F17
square
#175C6F #56176F #6F2A17 #306F17
split-complementary
#175C6F #6F1730 #6F5617
monochromatic
#051519 #0C323C #175C6F #2286A2 #2DB0D3

Accessibility & contrast

On white

7.51
#175C6F on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.80
#175C6F on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #175C6F
7.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##175C6F#FFFFFF#000000##FFFFFF
##175C6F1.007.512.807.51
#FFFFFF7.511.0021.001.00
#0000002.8021.001.0021.00
##FFFFFF7.511.0021.001.00

Color blindness preview

Protanopia (red-blind)
#515970
Deuteranopia (green-blind)
#45516F
Tritanopia (blue-blind)
#006262
Achromatopsia (no color)
#555555

Design tokens & code

CSS
--color: #175c6f;
/* rgb */ color: rgb(23, 92, 111);
/* oklch */ color: oklch(44.2% 0.072 220.7);
Tailwind
colors: {
  custom: {
    50: '#638a98',
    500: '#175c6f',
    950: '#000000',
  },
}
SCSS
$custom: #175c6f;
$custom-light: #638a98;
$custom-dark: #000000;
JSON
{
  "hex": "#175c6f",
  "rgb": {
    "r": 23,
    "g": 92,
    "b": 111
  },
  "hsl": {
    "h": 192.955,
    "s": 65.672,
    "l": 26.275
  },
  "oklch": {
    "l": 0.44222,
    "c": 0.07219,
    "h": 220.7
  },
  "luminance": 0.08984
}

Semantic roles & 50–950 ramp

primary
#175C6F
secondary
#A5533D
accent
#643FE9
background
#F6F8F9
surface
#EBF0F2
border
#C6CBCC
text
#060B0D
muted
#7A7C7E

Preview Lab

Preview with #175C6F

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

Preview Lab → · Contrast checker → · Palette generator →

#175C6F Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva