#177B5B#177B5B

#177B5B is a mid, moderate teal. Relative luminance 0.151; OKLCH L 52.0% C 0.101 H 165.7°. Best body text is #FFFFFF at 5.22:1 contrast (WCAG AA passes).

Color values

HEX#177B5B
RGBrgb(23, 123, 91)
HSLhsl(161, 68%, 29%)
HSVhsv(161, 81%, 48%)
CMYKcmyk(81.3%, 0%, 26%, 51.8%)
CIE-LABlab(45.77, -35.67, 9.78)
CIE-LCHlch(45.77, 36.99, 164.68°)
OKLaboklab(52% -0.0982 0.025)
OKLCHoklch(52% 0.101 165.7)
XYZxyz(9.3236, 15.1023, 12.3191)
Luminance0.1510 (WCAG relative)
Temperatureneutral
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#177B5B #7B1737
analogous
#177B29 #177B5B #17697B
triadic
#177B5B #5B177B #7B5B17
tetradic
#177B5B #29177B #7B1737 #697B17
square
#177B5B #29177B #7B1737 #697B17
split-complementary
#177B5B #7B1769 #7B2917
monochromatic
#051A13 #0D4735 #177B5B #21AF81 #33D9A4

Accessibility & contrast

On white

5.22
#177B5B on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

4.02
#177B5B on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #177B5B
5.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##177B5B#FFFFFF#000000##FFFFFF
##177B5B1.005.224.025.22
#FFFFFF5.221.0021.001.00
#0000004.0221.001.0021.00
##FFFFFF5.221.0021.001.00

Color blindness preview

Protanopia (red-blind)
#787259
Deuteranopia (green-blind)
#6C695D
Tritanopia (blue-blind)
#007B72
Achromatopsia (no color)
#6C6C6C

Design tokens & code

CSS
--color: #177b5b;
/* rgb */ color: rgb(23, 123, 91);
/* oklch */ color: oklch(52.0% 0.101 165.7);
Tailwind
colors: {
  custom: {
    50: '#67a289',
    500: '#177b5b',
    950: '#000000',
  },
}
SCSS
$custom: #177b5b;
$custom-light: #67a289;
$custom-dark: #000000;
JSON
{
  "hex": "#177b5b",
  "rgb": {
    "r": 23,
    "g": 123,
    "b": 91
  },
  "hsl": {
    "h": 160.8,
    "s": 68.493,
    "l": 28.627
  },
  "oklch": {
    "l": 0.52004,
    "c": 0.10133,
    "h": 165.7
  },
  "luminance": 0.15103
}

Semantic roles & 50–950 ramp

primary
#177B5B
secondary
#B03E62
accent
#3C74EB
background
#F6FAF8
surface
#EBF3F0
border
#C6CDCB
text
#070F0B
muted
#7A7F7C

Preview Lab

Preview with #177B5B

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

Preview Lab → · Contrast checker → · Palette generator →

#177B5B Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva