#166B7F#166B7F

#166B7F is a mid, moderate cyan. Relative luminance 0.122; OKLCH L 48.9% C 0.081 H 218.2°. Best body text is #FFFFFF at 6.10:1 contrast (WCAG AA passes).

Color values

HEX	#166B7F
RGB	rgb(22, 107, 127)
HSL	hsl(191, 70%, 29%)
HSV	hsv(191, 83%, 50%)
CMYK	cmyk(82.7%, 15.7%, 0%, 50.2%)
CIE-LAB	lab(41.56, -16.73, -18.01)
CIE-LCH	lch(41.56, 24.58, 227.10°)
OKLab	oklab(48.95% -0.0641 -0.0504)
OKLCH	oklch(48.95% 0.081 218.2)
XYZ	xyz(9.4177, 12.2171, 21.9363)
Luminance	0.1222 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#166B7F #7F2A16

analogous

#167F5F #166B7F #16367F

triadic

#166B7F #7F166B #6B7F16

tetradic

#166B7F #5F167F #7F2A16 #367F16

square

#166B7F #5F167F #7F2A16 #367F16

split-complementary

#166B7F #7F1636 #7F5F16

monochromatic

#05161A #0D3F4B #166B7F #1F97B3 #34BCDC

Accessibility & contrast

On white

6.10

#166B7F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.44

#166B7F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #166B7F

6.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##166B7F	#FFFFFF	#000000	##FFFFFF
##166B7F	1.00	6.10	3.44	6.10
#FFFFFF	6.10	1.00	21.00	1.00
#000000	3.44	21.00	1.00	21.00
##FFFFFF	6.10	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5E6880

Deuteranopia (green-blind)

#505E7F

Tritanopia (blue-blind)

#007271

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #166b7f;
/* rgb */ color: rgb(22, 107, 127);
/* oklch */ color: oklch(48.9% 0.081 218.2);

Tailwind

colors: {
  custom: {
    50: '#6795a4',
    500: '#166b7f',
    950: '#000000',
  },
}

SCSS

$custom: #166b7f;
$custom-light: #6795a4;
$custom-dark: #000000;

JSON

{
  "hex": "#166b7f",
  "rgb": {
    "r": 22,
    "g": 107,
    "b": 127
  },
  "hsl": {
    "h": 191.429,
    "s": 70.47,
    "l": 29.216
  },
  "oklch": {
    "l": 0.48945,
    "c": 0.08149,
    "h": 218.2
  },
  "luminance": 0.12218
}

Semantic roles & 50–950 ramp

primary

#166B7F

secondary

#B4543D

accent

#5D3BED

background

#F6F9FA

surface

#EBF1F4

border

#C6CBCE

text

#070D0F

muted

#7A7E7F

Preview Lab

Preview with #166B7F

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

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