#177E8B#177E8B

#177E8B is a mid, moderate teal. Relative luminance 0.170; OKLCH L 54.5% C 0.088 H 208.2°. Best body text is #FFFFFF at 4.78:1 contrast (WCAG AA passes).

Color values

HEX	#177E8B
RGB	rgb(23, 126, 139)
HSL	hsl(187, 72%, 32%)
HSV	hsv(187, 83%, 55%)
CMYK	cmyk(83.5%, 9.4%, 0%, 45.5%)
CIE-LAB	lab(48.22, -22.72, -14.99)
CIE-LCH	lch(48.22, 27.22, 213.42°)
OKLab	oklab(54.48% -0.0779 -0.0418)
OKLCH	oklch(54.48% 0.088 208.2)
XYZ	xyz(12.4723, 16.9664, 27.0386)
Luminance	0.1697 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#177E8B #8B2417

analogous

#178B5E #177E8B #17448B

triadic

#177E8B #8B177E #7E8B17

tetradic

#177E8B #5E178B #8B2417 #448B17

square

#177E8B #5E178B #8B2417 #448B17

split-complementary

#177E8B #8B1744 #8B5E17

monochromatic

#061F22 #0E4E56 #177E8B #20AEC0 #3DCDDF

Accessibility & contrast

On white

4.78

#177E8B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.39

#177E8B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #177E8B

4.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##177E8B	#FFFFFF	#000000	##FFFFFF
##177E8B	1.00	4.78	4.39	4.78
#FFFFFF	4.78	1.00	21.00	1.00
#000000	4.39	21.00	1.00	21.00
##FFFFFF	4.78	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#72798C

Deuteranopia (green-blind)

#636E8B

Tritanopia (blue-blind)

#008482

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #177e8b;
/* rgb */ color: rgb(23, 126, 139);
/* oklch */ color: oklch(54.5% 0.088 208.2);

Tailwind

colors: {
  custom: {
    50: '#6ca3ac',
    500: '#177e8b',
    950: '#000000',
  },
}

SCSS

$custom: #177e8b;
$custom-light: #6ca3ac;
$custom-dark: #000000;

JSON

{
  "hex": "#177e8b",
  "rgb": {
    "r": 23,
    "g": 126,
    "b": 139
  },
  "hsl": {
    "h": 186.724,
    "s": 71.605,
    "l": 31.765
  },
  "oklch": {
    "l": 0.54477,
    "c": 0.08835,
    "h": 208.2
  },
  "luminance": 0.16968
}

Semantic roles & 50–950 ramp

primary

#177E8B

secondary

#BF4E3F

accent

#4E39EE

background

#F7FAFA

surface

#EDF4F4

border

#C8CECE

text

#080F10

muted

#7B7F7F

Preview Lab

Preview with #177E8B

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

Preview Lab → · Contrast checker → · Palette generator →