#166D7F#166D7F

#166D7F is a mid, moderate cyan. Relative luminance 0.126; OKLCH L 49.5% C 0.081 H 215.7°. Best body text is #FFFFFF at 5.95:1 contrast (WCAG AA passes).

Color values

HEX	#166D7F
RGB	rgb(22, 109, 127)
HSL	hsl(190, 70%, 29%)
HSV	hsv(190, 83%, 50%)
CMYK	cmyk(82.7%, 14.2%, 0%, 50.2%)
CIE-LAB	lab(42.21, -17.84, -17.00)
CIE-LCH	lch(42.21, 24.64, 223.62°)
OKLab	oklab(49.47% -0.0661 -0.0475)
OKLCH	oklch(49.47% 0.081 215.7)
XYZ	xyz(9.6286, 12.6390, 22.0066)
Luminance	0.1264 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#166D7F #7F2816

analogous

#167F5D #166D7F #16397F

triadic

#166D7F #7F166D #6D7F16

tetradic

#166D7F #5D167F #7F2816 #397F16

square

#166D7F #5D167F #7F2816 #397F16

split-complementary

#166D7F #7F1639 #7F5D16

monochromatic

#05161A #0D404B #166D7F #1F9AB3 #34BFDC

Accessibility & contrast

On white

5.95

#166D7F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.53

#166D7F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #166D7F

5.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##166D7F	#FFFFFF	#000000	##FFFFFF
##166D7F	1.00	5.95	3.53	5.95
#FFFFFF	5.95	1.00	21.00	1.00
#000000	3.53	21.00	1.00	21.00
##FFFFFF	5.95	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#616980

Deuteranopia (green-blind)

#535F7F

Tritanopia (blue-blind)

#007473

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #166d7f;
/* rgb */ color: rgb(22, 109, 127);
/* oklch */ color: oklch(49.5% 0.081 215.7);

Tailwind

colors: {
  custom: {
    50: '#6897a4',
    500: '#166d7f',
    950: '#000000',
  },
}

SCSS

$custom: #166d7f;
$custom-light: #6897a4;
$custom-dark: #000000;

JSON

{
  "hex": "#166d7f",
  "rgb": {
    "r": 22,
    "g": 109,
    "b": 127
  },
  "hsl": {
    "h": 190.286,
    "s": 70.47,
    "l": 29.216
  },
  "oklch": {
    "l": 0.49473,
    "c": 0.08141,
    "h": 215.7
  },
  "luminance": 0.1264
}

Semantic roles & 50–950 ramp

primary

#166D7F

secondary

#B4513D

accent

#593BED

background

#F6F9FA

surface

#ECF2F4

border

#C7CCCE

text

#070D0F

muted

#7A7E7F

Preview Lab

Preview with #166D7F

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

Preview Lab → · Contrast checker → · Palette generator →