#166D78#166D78

#166D78 is a mid, moderate teal. Relative luminance 0.125; OKLCH L 49.2% C 0.078 H 208.0°. Best body text is #FFFFFF at 6.01:1 contrast (WCAG AA passes).

Color values

HEX	#166D78
RGB	rgb(22, 109, 120)
HSL	hsl(187, 69%, 28%)
HSV	hsv(187, 82%, 47%)
CMYK	cmyk(81.7%, 9.2%, 0%, 52.9%)
CIE-LAB	lab(41.94, -20.28, -13.19)
CIE-LCH	lch(41.94, 24.19, 213.05°)
OKLab	oklab(49.16% -0.0692 -0.0367)
OKLCH	oklch(49.16% 0.078 208)
XYZ	xyz(9.1882, 12.4628, 19.6870)
Luminance	0.1246 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#166D78 #782116

analogous

#167852 #166D78 #163C78

triadic

#166D78 #78166D #6D7816

tetradic

#166D78 #521678 #782116 #3C7816

square

#166D78 #521678 #782116 #3C7816

split-complementary

#166D78 #78163C #785216

monochromatic

#05171A #0D3E44 #166D78 #1F9CAC #2FC6D9

Accessibility & contrast

On white

6.01

#166D78 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.49

#166D78 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #166D78

6.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##166D78	#FFFFFF	#000000	##FFFFFF
##166D78	1.00	6.01	3.49	6.01
#FFFFFF	6.01	1.00	21.00	1.00
#000000	3.49	21.00	1.00	21.00
##FFFFFF	6.01	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#636879

Deuteranopia (green-blind)

#555F78

Tritanopia (blue-blind)

#007270

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #166d78;
/* rgb */ color: rgb(22, 109, 120);
/* oklch */ color: oklch(49.2% 0.078 208.0);

Tailwind

colors: {
  custom: {
    50: '#66979f',
    500: '#166d78',
    950: '#000000',
  },
}

SCSS

$custom: #166d78;
$custom-light: #66979f;
$custom-dark: #000000;

JSON

{
  "hex": "#166d78",
  "rgb": {
    "r": 22,
    "g": 109,
    "b": 120
  },
  "hsl": {
    "h": 186.735,
    "s": 69.014,
    "l": 27.843
  },
  "oklch": {
    "l": 0.49164,
    "c": 0.07836,
    "h": 208
  },
  "luminance": 0.12464
}

Semantic roles & 50–950 ramp

primary

#166D78

secondary

#AD493C

accent

#503CEC

background

#F6F9F9

surface

#EBF2F2

border

#C6CCCC

text

#070D0E

muted

#7A7E7E

Preview Lab

Preview with #166D78

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

Preview Lab → · Contrast checker → · Palette generator →