#166D88#166D88

#166D88 is a mid, moderate cyan. Relative luminance 0.129; OKLCH L 49.9% C 0.087 H 224.5°. Best body text is #FFFFFF at 5.87:1 contrast (WCAG AA passes).

Color values

HEX	#166D88
RGB	rgb(22, 109, 136)
HSL	hsl(194, 72%, 31%)
HSV	hsv(194, 84%, 53%)
CMYK	cmyk(83.8%, 19.9%, 0%, 46.7%)
CIE-LAB	lab(42.59, -14.61, -21.84)
CIE-LCH	lch(42.59, 26.27, 236.22°)
OKLab	oklab(49.9% -0.0623 -0.0613)
OKLCH	oklch(49.9% 0.087 224.5)
XYZ	xyz(10.2416, 12.8841, 25.2349)
Luminance	0.1288 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#166D88 #883116

analogous

#16886A #166D88 #163488

triadic

#166D88 #88166D #6D8816

tetradic

#166D88 #6A1688 #883116 #348816

square

#166D88 #6A1688 #883116 #348816

split-complementary

#166D88 #881634 #886A16

monochromatic

#05191F #0D4353 #166D88 #1F97BD #39B8DF

Accessibility & contrast

On white

5.87

#166D88 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.58

#166D88 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #166D88

5.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##166D88	#FFFFFF	#000000	##FFFFFF
##166D88	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)

#5E6B89

Deuteranopia (green-blind)

#4F6088

Tritanopia (blue-blind)

#007576

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #166d88;
/* rgb */ color: rgb(22, 109, 136);
/* oklch */ color: oklch(49.9% 0.087 224.5);

Tailwind

colors: {
  custom: {
    50: '#6997aa',
    500: '#166d88',
    950: '#000000',
  },
}

SCSS

$custom: #166d88;
$custom-light: #6997aa;
$custom-dark: #000000;

JSON

{
  "hex": "#166d88",
  "rgb": {
    "r": 22,
    "g": 109,
    "b": 136
  },
  "hsl": {
    "h": 194.211,
    "s": 72.152,
    "l": 30.98
  },
  "oklch": {
    "l": 0.49897,
    "c": 0.08744,
    "h": 224.5
  },
  "luminance": 0.12885
}

Semantic roles & 50–950 ramp

primary

#166D88

secondary

#BC5C3E

accent

#6439EF

background

#F6F9FA

surface

#ECF2F4

border

#C7CCCE

text

#070D10

muted

#7A7E7F

Preview Lab

Preview with #166D88

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

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