#177B8A#177B8A

#177B8A is a mid, moderate teal. Relative luminance 0.162; OKLCH L 53.7% C 0.087 H 210.5°. Best body text is #FFFFFF at 4.96:1 contrast (WCAG AA passes).

Color values

HEX#177B8A
RGBrgb(23, 123, 138)
HSLhsl(188, 71%, 32%)
HSVhsv(188, 83%, 54%)
CMYKcmyk(83.3%, 10.9%, 0%, 45.9%)
CIE-LABlab(47.21, -21.48, -15.93)
CIE-LCHlch(47.21, 26.74, 216.56°)
OKLaboklab(53.65% -0.0753 -0.0444)
OKLCHoklch(53.65% 0.087 210.5)
XYZxyz(12.0217, 16.1815, 26.5296)
Luminance0.1618 (WCAG relative)
Temperaturecool
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#177B8A #8A2617
analogous
#178A60 #177B8A #17428A
triadic
#177B8A #8A177B #7B8A17
tetradic
#177B8A #60178A #8A2617 #428A17
square
#177B8A #60178A #8A2617 #428A17
split-complementary
#177B8A #8A1742 #8A6017
monochromatic
#061D21 #0E4C56 #177B8A #20AABE #3DCADF

Accessibility & contrast

On white

4.96
#177B8A on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

4.24
#177B8A on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #177B8A
4.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##177B8A#FFFFFF#000000##FFFFFF
##177B8A1.004.964.244.96
#FFFFFF4.961.0021.001.00
#0000004.2421.001.0021.00
##FFFFFF4.961.0021.001.00

Color blindness preview

Protanopia (red-blind)
#6F768B
Deuteranopia (green-blind)
#5F6B8A
Tritanopia (blue-blind)
#008180
Achromatopsia (no color)
#707070

Design tokens & code

CSS
--color: #177b8a;
/* rgb */ color: rgb(23, 123, 138);
/* oklch */ color: oklch(53.7% 0.087 210.5);
Tailwind
colors: {
  custom: {
    50: '#6ba1ac',
    500: '#177b8a',
    950: '#000000',
  },
}
SCSS
$custom: #177b8a;
$custom-light: #6ba1ac;
$custom-dark: #000000;
JSON
{
  "hex": "#177b8a",
  "rgb": {
    "r": 23,
    "g": 123,
    "b": 138
  },
  "hsl": {
    "h": 187.826,
    "s": 71.429,
    "l": 31.569
  },
  "oklch": {
    "l": 0.53652,
    "c": 0.0874,
    "h": 210.5
  },
  "luminance": 0.16183
}

Semantic roles & 50–950 ramp

primary
#177B8A
secondary
#BE503F
accent
#513AEE
background
#F7F9FA
surface
#EDF2F4
border
#C8CCCE
text
#080F10
muted
#7B7E7F

Preview Lab

Preview with #177B8A

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

Preview Lab → · Contrast checker → · Palette generator →

#177B8A Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva