#177F81#177F81

#177F81 is a mid, moderate teal. Relative luminance 0.169; OKLCH L 54.3% C 0.087 H 196.9°. Best body text is #FFFFFF at 4.78:1 contrast (WCAG AA passes).

Color values

HEX	#177F81
RGB	rgb(23, 127, 129)
HSL	hsl(181, 70%, 30%)
HSV	hsv(181, 82%, 51%)
CMYK	cmyk(82.2%, 1.6%, 0%, 49.4%)
CIE-LAB	lab(48.19, -26.52, -9.14)
CIE-LCH	lch(48.19, 28.05, 199.01°)
OKLab	oklab(54.34% -0.0834 -0.0254)
OKLCH	oklch(54.34% 0.087 196.9)
XYZ	xyz(11.9033, 16.9444, 23.4079)
Luminance	0.1695 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#177F81 #811917

analogous

#17814E #177F81 #174A81

triadic

#177F81 #81177F #7F8117

tetradic

#177F81 #4E1781 #811917 #4A8117

square

#177F81 #4E1781 #811917 #4A8117

split-complementary

#177F81 #81174A #814E17

monochromatic

#051A1A #0E4C4D #177F81 #20B2B5 #37D8DB

Accessibility & contrast

On white

4.78

#177F81 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.39

#177F81 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #177F81

4.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##177F81	#FFFFFF	#000000	##FFFFFF
##177F81	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)

#767981

Deuteranopia (green-blind)

#676E82

Tritanopia (blue-blind)

#00847F

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #177f81;
/* rgb */ color: rgb(23, 127, 129);
/* oklch */ color: oklch(54.3% 0.087 196.9);

Tailwind

colors: {
  custom: {
    50: '#6aa4a5',
    500: '#177f81',
    950: '#000000',
  },
}

SCSS

$custom: #177f81;
$custom-light: #6aa4a5;
$custom-dark: #000000;

JSON

{
  "hex": "#177f81",
  "rgb": {
    "r": 23,
    "g": 127,
    "b": 129
  },
  "hsl": {
    "h": 181.132,
    "s": 69.737,
    "l": 29.804
  },
  "oklch": {
    "l": 0.54338,
    "c": 0.08723,
    "h": 196.9
  },
  "luminance": 0.16946
}

Semantic roles & 50–950 ramp

primary

#177F81

secondary

#B5413E

accent

#3F3BED

background

#F6FAFA

surface

#ECF4F4

border

#C7CECE

text

#080F0F

muted

#7A7F7F

Preview Lab

Preview with #177F81

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

Preview Lab → · Contrast checker → · Palette generator →