#166A57#166A57

#166A57 is a mid, moderate teal. Relative luminance 0.112; OKLCH L 47.1% C 0.083 H 173.4°. Best body text is #FFFFFF at 6.49:1 contrast (WCAG AA passes).

Color values

HEX	#166A57
RGB	rgb(22, 106, 87)
HSL	hsl(166, 66%, 25%)
HSV	hsv(166, 79%, 42%)
CMYK	cmyk(79.2%, 0%, 17.9%, 58.4%)
CIE-LAB	lab(39.86, -29.17, 3.75)
CIE-LCH	lch(39.86, 29.41, 172.66°)
OKLab	oklab(47.11% -0.0823 0.0095)
OKLCH	oklch(47.11% 0.083 173.4)
XYZ	xyz(7.2043, 11.1659, 10.7905)
Luminance	0.1117 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#166A57 #6A1629

analogous

#166A2D #166A57 #16536A

triadic

#166A57 #57166A #6A5716

tetradic

#166A57 #2D166A #6A1629 #536A16

square

#166A57 #2D166A #6A1629 #536A16

split-complementary

#166A57 #6A1653 #6A2D16

monochromatic

#051915 #0B372D #166A57 #219D81 #2BCFAA

Accessibility & contrast

On white

6.49

#166A57 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.23

#166A57 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #166A57

6.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##166A57	#FFFFFF	#000000	##FFFFFF
##166A57	1.00	6.49	3.23	6.49
#FFFFFF	6.49	1.00	21.00	1.00
#000000	3.23	21.00	1.00	21.00
##FFFFFF	6.49	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#666356

Deuteranopia (green-blind)

#5B5B58

Tritanopia (blue-blind)

#006B64

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #166a57;
/* rgb */ color: rgb(22, 106, 87);
/* oklch */ color: oklch(47.1% 0.083 173.4);

Tailwind

colors: {
  custom: {
    50: '#639586',
    500: '#166a57',
    950: '#000000',
  },
}

SCSS

$custom: #166a57;
$custom-light: #639586;
$custom-dark: #000000;

JSON

{
  "hex": "#166a57",
  "rgb": {
    "r": 22,
    "g": 106,
    "b": 87
  },
  "hsl": {
    "h": 166.429,
    "s": 65.625,
    "l": 25.098
  },
  "oklch": {
    "l": 0.47113,
    "c": 0.08282,
    "h": 173.4
  },
  "luminance": 0.11167
}

Semantic roles & 50–950 ramp

primary

#166A57

secondary

#A03B52

accent

#3F66E9

background

#F6F9F8

surface

#EBF2EF

border

#C6CCCA

text

#060D0B

muted

#7A7E7C

Preview Lab

Preview with #166A57

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

Preview Lab → · Contrast checker → · Palette generator →