#177D8B#177D8B

#177D8B is a mid, moderate teal. Relative luminance 0.167; OKLCH L 54.2% C 0.088 H 209.3°. Best body text is #FFFFFF at 4.84:1 contrast (WCAG AA passes).

Color values

HEX	#177D8B
RGB	rgb(23, 125, 139)
HSL	hsl(187, 72%, 32%)
HSV	hsv(187, 83%, 55%)
CMYK	cmyk(83.5%, 10.1%, 0%, 45.5%)
CIE-LAB	lab(47.90, -22.19, -15.48)
CIE-LCH	lch(47.90, 27.06, 214.90°)
OKLab	oklab(54.22% -0.0768 -0.0431)
OKLCH	oklch(54.22% 0.088 209.3)
XYZ	xyz(12.3451, 16.7119, 26.9962)
Luminance	0.1671 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#177D8B #8B2517

analogous

#178B5F #177D8B #17438B

triadic

#177D8B #8B177D #7D8B17

tetradic

#177D8B #5F178B #8B2517 #438B17

square

#177D8B #5F178B #8B2517 #438B17

split-complementary

#177D8B #8B1743 #8B5F17

monochromatic

#061F22 #0E4E56 #177D8B #20ACC0 #3DCBDF

Accessibility & contrast

On white

4.84

#177D8B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.34

#177D8B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #177D8B

4.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##177D8B	#FFFFFF	#000000	##FFFFFF
##177D8B	1.00	4.84	4.34	4.84
#FFFFFF	4.84	1.00	21.00	1.00
#000000	4.34	21.00	1.00	21.00
##FFFFFF	4.84	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#71788C

Deuteranopia (green-blind)

#616D8B

Tritanopia (blue-blind)

#008381

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #177d8b;
/* rgb */ color: rgb(23, 125, 139);
/* oklch */ color: oklch(54.2% 0.088 209.3);

Tailwind

colors: {
  custom: {
    50: '#6ba3ac',
    500: '#177d8b',
    950: '#000000',
  },
}

SCSS

$custom: #177d8b;
$custom-light: #6ba3ac;
$custom-dark: #000000;

JSON

{
  "hex": "#177d8b",
  "rgb": {
    "r": 23,
    "g": 125,
    "b": 139
  },
  "hsl": {
    "h": 187.241,
    "s": 71.605,
    "l": 31.765
  },
  "oklch": {
    "l": 0.54216,
    "c": 0.08813,
    "h": 209.3
  },
  "luminance": 0.16713
}

Semantic roles & 50–950 ramp

primary

#177D8B

secondary

#BF4F3F

accent

#4F39EE

background

#F7FAFA

surface

#EDF3F4

border

#C8CDCE

text

#080F10

muted

#7B7F7F

Preview Lab

Preview with #177D8B

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

Preview Lab → · Contrast checker → · Palette generator →