#166E80#166E80

#166E80 is a mid, moderate cyan. Relative luminance 0.129; OKLCH L 49.8% C 0.082 H 215.5°. Best body text is #FFFFFF at 5.87:1 contrast (WCAG AA passes).

Color values

HEX	#166E80
RGB	rgb(22, 110, 128)
HSL	hsl(190, 71%, 29%)
HSV	hsv(190, 83%, 50%)
CMYK	cmyk(82.8%, 14.1%, 0%, 49.8%)
CIE-LAB	lab(42.58, -18.04, -17.04)
CIE-LCH	lch(42.58, 24.81, 223.38°)
OKLab	oklab(49.78% -0.0667 -0.0476)
OKLCH	oklch(49.78% 0.082 215.5)
XYZ	xyz(9.8014, 12.8797, 22.3873)
Luminance	0.1288 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#166E80 #802816

analogous

#16805D #166E80 #163980

triadic

#166E80 #80166E #6E8016

tetradic

#166E80 #5D1680 #802816 #398016

square

#166E80 #5D1680 #802816 #398016

split-complementary

#166E80 #801639 #805D16

monochromatic

#04161A #0D414C #166E80 #1F9BB4 #34C0DC

Accessibility & contrast

On white

5.87

#166E80 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.58

#166E80 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #166E80

5.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##166E80	#FFFFFF	#000000	##FFFFFF
##166E80	1.00	5.87	3.58	5.87
#FFFFFF	5.87	1.00	21.00	1.00
#000000	3.58	21.00	1.00	21.00
##FFFFFF	5.87	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#626A81

Deuteranopia (green-blind)

#546080

Tritanopia (blue-blind)

#007574

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #166e80;
/* rgb */ color: rgb(22, 110, 128);
/* oklch */ color: oklch(49.8% 0.082 215.5);

Tailwind

colors: {
  custom: {
    50: '#6897a4',
    500: '#166e80',
    950: '#000000',
  },
}

SCSS

$custom: #166e80;
$custom-light: #6897a4;
$custom-dark: #000000;

JSON

{
  "hex": "#166e80",
  "rgb": {
    "r": 22,
    "g": 110,
    "b": 128
  },
  "hsl": {
    "h": 190.189,
    "s": 70.667,
    "l": 29.412
  },
  "oklch": {
    "l": 0.49782,
    "c": 0.08196,
    "h": 215.5
  },
  "luminance": 0.12881
}

Semantic roles & 50–950 ramp

primary

#166E80

secondary

#B5513D

accent

#593AED

background

#F6F9FA

surface

#ECF2F4

border

#C7CCCE

text

#070D0F

muted

#7A7E7F

Preview Lab

Preview with #166E80

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

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