#177F8C#177F8C

#177F8C is a mid, moderate teal. Relative luminance 0.173; OKLCH L 54.8% C 0.089 H 208.1°. Best body text is #FFFFFF at 4.72:1 contrast (WCAG AA passes).

Color values

HEX#177F8C
RGBrgb(23, 127, 140)
HSLhsl(187, 72%, 32%)
HSVhsv(187, 84%, 55%)
CMYKcmyk(83.6%, 9.3%, 0%, 45.1%)
CIE-LABlab(48.58, -22.90, -15.03)
CIE-LCHlch(48.58, 27.40, 213.28°)
OKLaboklab(54.78% -0.0784 -0.0419)
OKLCHoklch(54.78% 0.089 208.1)
XYZxyz(12.6742, 17.2527, 27.4680)
Luminance0.1725 (WCAG relative)
Temperaturecool
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#177F8C #8C2417
analogous
#178C5F #177F8C #17448C
triadic
#177F8C #8C177F #7F8C17
tetradic
#177F8C #5F178C #8C2417 #448C17
square
#177F8C #5F178C #8C2417 #448C17
split-complementary
#177F8C #8C1744 #8C5F17
monochromatic
#062023 #0E4F57 #177F8C #20AFC1 #3ECDDF

Accessibility & contrast

On white

4.72
#177F8C on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

4.45
#177F8C on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #177F8C
4.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##177F8C#FFFFFF#000000##FFFFFF
##177F8C1.004.724.454.72
#FFFFFF4.721.0021.001.00
#0000004.4521.001.0021.00
##FFFFFF4.721.0021.001.00

Color blindness preview

Protanopia (red-blind)
#737A8D
Deuteranopia (green-blind)
#636F8C
Tritanopia (blue-blind)
#008583
Achromatopsia (no color)
#737373

Design tokens & code

CSS
--color: #177f8c;
/* rgb */ color: rgb(23, 127, 140);
/* oklch */ color: oklch(54.8% 0.089 208.1);
Tailwind
colors: {
  custom: {
    50: '#6ca4ad',
    500: '#177f8c',
    950: '#000000',
  },
}
SCSS
$custom: #177f8c;
$custom-light: #6ca4ad;
$custom-dark: #000000;
JSON
{
  "hex": "#177f8c",
  "rgb": {
    "r": 23,
    "g": 127,
    "b": 140
  },
  "hsl": {
    "h": 186.667,
    "s": 71.779,
    "l": 31.961
  },
  "oklch": {
    "l": 0.5478,
    "c": 0.0889,
    "h": 208.1
  },
  "luminance": 0.17254
}

Semantic roles & 50–950 ramp

primary
#177F8C
secondary
#BF4E3F
accent
#4D39EF
background
#F7FAFA
surface
#EDF4F4
border
#C8CECE
text
#080F10
muted
#7B7F7F

Preview Lab

Preview with #177F8C

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

Preview Lab → · Contrast checker → · Palette generator →

#177F8C Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva