#166F84#166F84

#166F84 is a mid, moderate cyan. Relative luminance 0.132; OKLCH L 50.2% C 0.084 H 218.4°. Best body text is #FFFFFF at 5.77:1 contrast (WCAG AA passes).

Color values

HEX	#166F84
RGB	rgb(22, 111, 132)
HSL	hsl(191, 71%, 30%)
HSV	hsv(191, 83%, 52%)
CMYK	cmyk(83.3%, 15.9%, 0%, 48.2%)
CIE-LAB	lab(43.07, -17.17, -18.70)
CIE-LCH	lch(43.07, 25.38, 227.44°)
OKLab	oklab(50.23% -0.066 -0.0523)
OKLCH	oklch(50.23% 0.084 218.4)
XYZ	xyz(10.1784, 13.2041, 23.8375)
Luminance	0.1321 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#166F84 #842B16

analogous

#168462 #166F84 #163884

triadic

#166F84 #84166F #6F8416

tetradic

#166F84 #621684 #842B16 #388416

square

#166F84 #621684 #842B16 #388416

split-complementary

#166F84 #841638 #846216

monochromatic

#05171B #0D4350 #166F84 #1F9BB8 #37BEDE

Accessibility & contrast

On white

5.77

#166F84 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.64

#166F84 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #166F84

5.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##166F84	#FFFFFF	#000000	##FFFFFF
##166F84	1.00	5.77	3.64	5.77
#FFFFFF	5.77	1.00	21.00	1.00
#000000	3.64	21.00	1.00	21.00
##FFFFFF	5.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#626C85

Deuteranopia (green-blind)

#536184

Tritanopia (blue-blind)

#007676

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #166f84;
/* rgb */ color: rgb(22, 111, 132);
/* oklch */ color: oklch(50.2% 0.084 218.4);

Tailwind

colors: {
  custom: {
    50: '#6998a7',
    500: '#166f84',
    950: '#000000',
  },
}

SCSS

$custom: #166f84;
$custom-light: #6998a7;
$custom-dark: #000000;

JSON

{
  "hex": "#166f84",
  "rgb": {
    "r": 22,
    "g": 111,
    "b": 132
  },
  "hsl": {
    "h": 191.455,
    "s": 71.429,
    "l": 30.196
  },
  "oklch": {
    "l": 0.50228,
    "c": 0.08423,
    "h": 218.4
  },
  "luminance": 0.13205
}

Semantic roles & 50–950 ramp

primary

#166F84

secondary

#B8553D

accent

#5C3AEE

background

#F6F9FA

surface

#ECF2F4

border

#C7CCCE

text

#070D0F

muted

#7A7E7F

Preview Lab

Preview with #166F84

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

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