#178F7B#178F7B

#178F7B is a mid, moderate teal. Relative luminance 0.213; OKLCH L 58.4% C 0.103 H 177.7°. Best body text is #000000 at 5.25:1 contrast (WCAG AA passes).

Color values

HEX	#178F7B
RGB	rgb(23, 143, 123)
HSL	hsl(170, 72%, 33%)
HSV	hsv(170, 84%, 56%)
CMYK	cmyk(83.9%, 0%, 14%, 43.9%)
CIE-LAB	lab(53.23, -35.92, 1.80)
CIE-LCH	lch(53.23, 35.97, 177.13°)
OKLab	oklab(58.39% -0.1027 0.0042)
OKLCH	oklch(58.39% 0.103 177.7)
XYZ	xyz(13.7491, 21.2554, 22.1131)
Luminance	0.2126 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#178F7B #8F172B

analogous

#178F3F #178F7B #17678F

triadic

#178F7B #7B178F #8F7B17

tetradic

#178F7B #3F178F #8F172B #678F17

square

#178F7B #3F178F #8F172B #678F17

split-complementary

#178F7B #8F1767 #8F3F17

monochromatic

#062620 #0F5A4E #178F7B #1FC4A8 #40E0C6

Accessibility & contrast

On white

4.00

#178F7B on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.25

#178F7B on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #178F7B

5.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##178F7B	#FFFFFF	#000000	##000000
##178F7B	1.00	4.00	5.25	5.25
#FFFFFF	4.00	1.00	21.00	21.00
#000000	5.25	21.00	1.00	1.00
##000000	5.25	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#89867A

Deuteranopia (green-blind)

#7A7B7D

Tritanopia (blue-blind)

#009189

Achromatopsia (no color)

#7F7F7F

Design tokens & code

CSS

--color: #178f7b;
/* rgb */ color: rgb(23, 143, 123);
/* oklch */ color: oklch(58.4% 0.103 177.7);

Tailwind

colors: {
  custom: {
    50: '#6db0a1',
    500: '#178f7b',
    950: '#000000',
  },
}

SCSS

$custom: #178f7b;
$custom-light: #6db0a1;
$custom-dark: #000000;

JSON

{
  "hex": "#178f7b",
  "rgb": {
    "r": 23,
    "g": 143,
    "b": 123
  },
  "hsl": {
    "h": 170,
    "s": 72.289,
    "l": 32.549
  },
  "oklch": {
    "l": 0.58387,
    "c": 0.10284,
    "h": 177.7
  },
  "luminance": 0.21257
}

Semantic roles & 50–950 ramp

primary

#178F7B

secondary

#C14156

accent

#3957EF

background

#F7FAF9

surface

#EDF5F2

border

#C8CFCC

text

#08100E

muted

#7B7F7E

Preview Lab

Preview with #178F7B

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

Preview Lab → · Contrast checker → · Palette generator →