#177F8A#177F8A

#177F8A is a mid, moderate teal. Relative luminance 0.172; OKLCH L 54.7% C 0.088 H 206.1°. Best body text is #FFFFFF at 4.73:1 contrast (WCAG AA passes).

Color values

HEX	#177F8A
RGB	rgb(23, 127, 138)
HSL	hsl(186, 71%, 32%)
HSV	hsv(186, 83%, 54%)
CMYK	cmyk(83.3%, 8%, 0%, 45.9%)
CIE-LAB	lab(48.50, -23.57, -13.97)
CIE-LCH	lch(48.50, 27.40, 210.65°)
OKLab	oklab(54.7% -0.0793 -0.0389)
OKLCH	oklch(54.7% 0.088 206.1)
XYZ	xyz(12.5281, 17.1943, 26.6984)
Luminance	0.1720 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#177F8A #8A2217

analogous

#178A5C #177F8A #17468A

triadic

#177F8A #8A177F #7F8A17

tetradic

#177F8A #5C178A #8A2217 #468A17

square

#177F8A #5C178A #8A2217 #468A17

split-complementary

#177F8A #8A1746 #8A5C17

monochromatic

#061E21 #0E4F56 #177F8A #20AFBE #3DCFDF

Accessibility & contrast

On white

4.73

#177F8A on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.44

#177F8A on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #177F8A

4.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##177F8A	#FFFFFF	#000000	##FFFFFF
##177F8A	1.00	4.73	4.44	4.73
#FFFFFF	4.73	1.00	21.00	1.00
#000000	4.44	21.00	1.00	21.00
##FFFFFF	4.73	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#737A8B

Deuteranopia (green-blind)

#646E8A

Tritanopia (blue-blind)

#008582

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #177f8a;
/* rgb */ color: rgb(23, 127, 138);
/* oklch */ color: oklch(54.7% 0.088 206.1);

Tailwind

colors: {
  custom: {
    50: '#6ca4ac',
    500: '#177f8a',
    950: '#000000',
  },
}

SCSS

$custom: #177f8a;
$custom-light: #6ca4ac;
$custom-dark: #000000;

JSON

{
  "hex": "#177f8a",
  "rgb": {
    "r": 23,
    "g": 127,
    "b": 138
  },
  "hsl": {
    "h": 185.739,
    "s": 71.429,
    "l": 31.569
  },
  "oklch": {
    "l": 0.54697,
    "c": 0.08833,
    "h": 206.1
  },
  "luminance": 0.17196
}

Semantic roles & 50–950 ramp

primary

#177F8A

secondary

#BE4B3F

accent

#4B3AEE

background

#F7FAFA

surface

#EDF4F4

border

#C8CECE

text

#080F10

muted

#7B7F7F

Preview Lab

Preview with #177F8A

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

Preview Lab → · Contrast checker → · Palette generator →