#166B57#166B57

#166B57 is a mid, moderate teal. Relative luminance 0.114; OKLCH L 47.4% C 0.084 H 172.6°. Best body text is #FFFFFF at 6.41:1 contrast (WCAG AA passes).

Color values

HEX	#166B57
RGB	rgb(22, 107, 87)
HSL	hsl(166, 66%, 25%)
HSV	hsv(166, 79%, 42%)
CMYK	cmyk(79.4%, 0%, 18.7%, 58%)
CIE-LAB	lab(40.20, -29.64, 4.25)
CIE-LCH	lch(40.20, 29.94, 171.84°)
OKLab	oklab(47.39% -0.0834 0.0108)
OKLCH	oklch(47.39% 0.084 172.6)
XYZ	xyz(7.3080, 11.3732, 10.8251)
Luminance	0.1137 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#166B57 #6B162A

analogous

#166B2C #166B57 #16546B

triadic

#166B57 #57166B #6B5716

tetradic

#166B57 #2C166B #6B162A #546B16

square

#166B57 #2C166B #6B162A #546B16

split-complementary

#166B57 #6B1654 #6B2C16

monochromatic

#051915 #0C382E #166B57 #209E80 #2BD1AA

Accessibility & contrast

On white

6.41

#166B57 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.27

#166B57 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #166B57

6.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##166B57	#FFFFFF	#000000	##FFFFFF
##166B57	1.00	6.41	3.27	6.41
#FFFFFF	6.41	1.00	21.00	1.00
#000000	3.27	21.00	1.00	21.00
##FFFFFF	6.41	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#676356

Deuteranopia (green-blind)

#5C5B58

Tritanopia (blue-blind)

#006C65

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #166b57;
/* rgb */ color: rgb(22, 107, 87);
/* oklch */ color: oklch(47.4% 0.084 172.6);

Tailwind

colors: {
  custom: {
    50: '#639686',
    500: '#166b57',
    950: '#000000',
  },
}

SCSS

$custom: #166b57;
$custom-light: #639686;
$custom-dark: #000000;

JSON

{
  "hex": "#166b57",
  "rgb": {
    "r": 22,
    "g": 107,
    "b": 87
  },
  "hsl": {
    "h": 165.882,
    "s": 65.891,
    "l": 25.294
  },
  "oklch": {
    "l": 0.47394,
    "c": 0.08407,
    "h": 172.6
  },
  "luminance": 0.11374
}

Semantic roles & 50–950 ramp

primary

#166B57

secondary

#A13B53

accent

#3F67E9

background

#F6F9F8

surface

#EBF2EF

border

#C6CCCA

text

#060D0B

muted

#7A7E7C

Preview Lab

Preview with #166B57

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

Preview Lab → · Contrast checker → · Palette generator →