#175B5F#175B5F

#175B5F is a dark, moderate teal. Relative luminance 0.085; OKLCH L 43.2% C 0.065 H 200.8°. Best body text is #FFFFFF at 7.78:1 contrast (WCAG AA passes).

Color values

HEX#175B5F
RGBrgb(23, 91, 95)
HSLhsl(183, 61%, 23%)
HSVhsv(183, 76%, 37%)
CMYKcmyk(75.8%, 4.2%, 0%, 62.7%)
CIE-LABlab(34.98, -18.92, -8.36)
CIE-LCHlch(34.98, 20.69, 203.82°)
OKLaboklab(43.23% -0.0609 -0.0232)
OKLCHoklch(43.23% 0.065 200.8)
XYZxyz(6.1591, 8.4898, 12.1384)
Luminance0.0849 (WCAG relative)
Temperaturecool
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#175B5F #5F1B17
analogous
#175F3F #175B5F #17375F
triadic
#175B5F #5F175B #5B5F17
tetradic
#175B5F #3F175F #5F1B17 #375F17
square
#175B5F #3F175F #5F1B17 #375F17
split-complementary
#175B5F #5F1737 #5F3F17
monochromatic
#061819 #0B2C2E #175B5F #238A90 #2FB9C2

Accessibility & contrast

On white

7.78
#175B5F on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.70
#175B5F on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #175B5F
7.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##175B5F#FFFFFF#000000##FFFFFF
##175B5F1.007.782.707.78
#FFFFFF7.781.0021.001.00
#0000002.7021.001.0021.00
##FFFFFF7.781.0021.001.00

Color blindness preview

Protanopia (red-blind)
#54575F
Deuteranopia (green-blind)
#494F5F
Tritanopia (blue-blind)
#005F5C
Achromatopsia (no color)
#525252

Design tokens & code

CSS
--color: #175b5f;
/* rgb */ color: rgb(23, 91, 95);
/* oklch */ color: oklch(43.2% 0.065 200.8);
Tailwind
colors: {
  custom: {
    50: '#61898c',
    500: '#175b5f',
    950: '#000000',
  },
}
SCSS
$custom: #175b5f;
$custom-light: #61898c;
$custom-dark: #000000;
JSON
{
  "hex": "#175b5f",
  "rgb": {
    "r": 23,
    "g": 91,
    "b": 95
  },
  "hsl": {
    "h": 183.333,
    "s": 61.017,
    "l": 23.137
  },
  "oklch": {
    "l": 0.43232,
    "c": 0.0652,
    "h": 200.8
  },
  "luminance": 0.08491
}

Semantic roles & 50–950 ramp

primary
#175B5F
secondary
#96413C
accent
#4D44E4
background
#F6F8F8
surface
#EBF0F0
border
#C6CBCB
text
#050B0C
muted
#7A7C7D

Preview Lab

Preview with #175B5F

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

Preview Lab → · Contrast checker → · Palette generator →

#175B5F Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva