#166C7F#166C7F

#166C7F is a mid, moderate cyan. Relative luminance 0.124; OKLCH L 49.2% C 0.081 H 216.9°. Best body text is #FFFFFF at 6.02:1 contrast (WCAG AA passes).

Color values

HEX	#166C7F
RGB	rgb(22, 108, 127)
HSL	hsl(191, 70%, 29%)
HSV	hsv(191, 83%, 50%)
CMYK	cmyk(82.7%, 15%, 0%, 50.2%)
CIE-LAB	lab(41.89, -17.29, -17.50)
CIE-LCH	lch(41.89, 24.60, 225.36°)
OKLab	oklab(49.21% -0.0651 -0.0489)
OKLCH	oklch(49.21% 0.081 216.9)
XYZ	xyz(9.5226, 12.4268, 21.9713)
Luminance	0.1243 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#166C7F #7F2916

analogous

#167F5E #166C7F #16387F

triadic

#166C7F #7F166C #6C7F16

tetradic

#166C7F #5E167F #7F2916 #387F16

square

#166C7F #5E167F #7F2916 #387F16

split-complementary

#166C7F #7F1638 #7F5E16

monochromatic

#05161A #0D404B #166C7F #1F98B3 #34BDDC

Accessibility & contrast

On white

6.02

#166C7F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.49

#166C7F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #166C7F

6.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##166C7F	#FFFFFF	#000000	##FFFFFF
##166C7F	1.00	6.02	3.49	6.02
#FFFFFF	6.02	1.00	21.00	1.00
#000000	3.49	21.00	1.00	21.00
##FFFFFF	6.02	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5F6980

Deuteranopia (green-blind)

#525E7F

Tritanopia (blue-blind)

#007372

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #166c7f;
/* rgb */ color: rgb(22, 108, 127);
/* oklch */ color: oklch(49.2% 0.081 216.9);

Tailwind

colors: {
  custom: {
    50: '#6796a4',
    500: '#166c7f',
    950: '#000000',
  },
}

SCSS

$custom: #166c7f;
$custom-light: #6796a4;
$custom-dark: #000000;

JSON

{
  "hex": "#166c7f",
  "rgb": {
    "r": 22,
    "g": 108,
    "b": 127
  },
  "hsl": {
    "h": 190.857,
    "s": 70.47,
    "l": 29.216
  },
  "oklch": {
    "l": 0.49209,
    "c": 0.08143,
    "h": 216.9
  },
  "luminance": 0.12428
}

Semantic roles & 50–950 ramp

primary

#166C7F

secondary

#B4533D

accent

#5B3BED

background

#F6F9FA

surface

#EBF2F4

border

#C6CCCE

text

#070D0F

muted

#7A7E7F

Preview Lab

Preview with #166C7F

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

Preview Lab → · Contrast checker → · Palette generator →