#166D84#166D84

#166D84 is a mid, moderate cyan. Relative luminance 0.128; OKLCH L 49.7% C 0.084 H 220.8°. Best body text is #FFFFFF at 5.91:1 contrast (WCAG AA passes).

Color values

HEX	#166D84
RGB	rgb(22, 109, 132)
HSL	hsl(193, 71%, 30%)
HSV	hsv(193, 83%, 52%)
CMYK	cmyk(83.3%, 17.4%, 0%, 48.2%)
CIE-LAB	lab(42.42, -16.06, -19.70)
CIE-LCH	lch(42.42, 25.41, 230.82°)
OKLab	oklab(49.71% -0.064 -0.0552)
OKLCH	oklch(49.71% 0.084 220.8)
XYZ	xyz(9.9626, 12.7725, 23.7656)
Luminance	0.1277 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#166D84 #842D16

analogous

#168464 #166D84 #163684

triadic

#166D84 #84166D #6D8416

tetradic

#166D84 #641684 #842D16 #368416

square

#166D84 #641684 #842D16 #368416

split-complementary

#166D84 #841636 #846416

monochromatic

#05161B #0D4250 #166D84 #1F98B8 #37BBDE

Accessibility & contrast

On white

5.91

#166D84 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.55

#166D84 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #166D84

5.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##166D84	#FFFFFF	#000000	##FFFFFF
##166D84	1.00	5.91	3.55	5.91
#FFFFFF	5.91	1.00	21.00	1.00
#000000	3.55	21.00	1.00	21.00
##FFFFFF	5.91	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5F6A85

Deuteranopia (green-blind)

#516084

Tritanopia (blue-blind)

#007474

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #166d84;
/* rgb */ color: rgb(22, 109, 132);
/* oklch */ color: oklch(49.7% 0.084 220.8);

Tailwind

colors: {
  custom: {
    50: '#6897a7',
    500: '#166d84',
    950: '#000000',
  },
}

SCSS

$custom: #166d84;
$custom-light: #6897a7;
$custom-dark: #000000;

JSON

{
  "hex": "#166d84",
  "rgb": {
    "r": 22,
    "g": 109,
    "b": 132
  },
  "hsl": {
    "h": 192.545,
    "s": 71.429,
    "l": 30.196
  },
  "oklch": {
    "l": 0.49705,
    "c": 0.08449,
    "h": 220.8
  },
  "luminance": 0.12774
}

Semantic roles & 50–950 ramp

primary

#166D84

secondary

#B8573D

accent

#5F3AEE

background

#F6F9FA

surface

#ECF2F4

border

#C7CCCE

text

#070D0F

muted

#7A7E7F

Preview Lab

Preview with #166D84

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

Preview Lab → · Contrast checker → · Palette generator →