#177F8B#177F8B

#177F8B is a mid, moderate teal. Relative luminance 0.172; OKLCH L 54.7% C 0.089 H 207.1°. Best body text is #FFFFFF at 4.72:1 contrast (WCAG AA passes).

Color values

HEX	#177F8B
RGB	rgb(23, 127, 139)
HSL	hsl(186, 72%, 32%)
HSV	hsv(186, 83%, 55%)
CMYK	cmyk(83.5%, 8.6%, 0%, 45.5%)
CIE-LAB	lab(48.54, -23.24, -14.50)
CIE-LCH	lch(48.54, 27.39, 211.96°)
OKLab	oklab(54.74% -0.0789 -0.0404)
OKLCH	oklch(54.74% 0.089 207.1)
XYZ	xyz(12.6008, 17.2234, 27.0814)
Luminance	0.1722 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#177F8B #8B2317

analogous

#178B5D #177F8B #17458B

triadic

#177F8B #8B177F #7F8B17

tetradic

#177F8B #5D178B #8B2317 #458B17

square

#177F8B #5D178B #8B2317 #458B17

split-complementary

#177F8B #8B1745 #8B5D17

monochromatic

#061F22 #0E4F56 #177F8B #20AFC0 #3DCEDF

Accessibility & contrast

On white

4.72

#177F8B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.44

#177F8B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #177F8B

4.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##177F8B	#FFFFFF	#000000	##FFFFFF
##177F8B	1.00	4.72	4.44	4.72
#FFFFFF	4.72	1.00	21.00	1.00
#000000	4.44	21.00	1.00	21.00
##FFFFFF	4.72	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#737A8C

Deuteranopia (green-blind)

#646E8B

Tritanopia (blue-blind)

#008583

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #177f8b;
/* rgb */ color: rgb(23, 127, 139);
/* oklch */ color: oklch(54.7% 0.089 207.1);

Tailwind

colors: {
  custom: {
    50: '#6ca4ac',
    500: '#177f8b',
    950: '#000000',
  },
}

SCSS

$custom: #177f8b;
$custom-light: #6ca4ac;
$custom-dark: #000000;

JSON

{
  "hex": "#177f8b",
  "rgb": {
    "r": 23,
    "g": 127,
    "b": 139
  },
  "hsl": {
    "h": 186.207,
    "s": 71.605,
    "l": 31.765
  },
  "oklch": {
    "l": 0.54738,
    "c": 0.08861,
    "h": 207.1
  },
  "luminance": 0.17225
}

Semantic roles & 50–950 ramp

primary

#177F8B

secondary

#BF4C3F

accent

#4C39EE

background

#F7FAFA

surface

#EDF4F4

border

#C8CECE

text

#080F10

muted

#7B7F7F

Preview Lab

Preview with #177F8B

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

Preview Lab → · Contrast checker → · Palette generator →