#166577#166577

#166577 is a mid, moderate cyan. Relative luminance 0.108; OKLCH L 47.0% C 0.077 H 217.3°. Best body text is #FFFFFF at 6.64:1 contrast (WCAG AA passes).

Color values

HEX	#166577
RGB	rgb(22, 101, 119)
HSL	hsl(191, 69%, 28%)
HSV	hsv(191, 82%, 47%)
CMYK	cmyk(81.5%, 15.1%, 0%, 53.3%)
CIE-LAB	lab(39.26, -16.23, -16.68)
CIE-LCH	lch(39.26, 23.28, 225.78°)
OKLab	oklab(46.98% -0.0613 -0.0466)
OKLCH	oklch(46.98% 0.077 217.3)
XYZ	xyz(8.3129, 10.8088, 19.0974)
Luminance	0.1081 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#166577 #772816

analogous

#167758 #166577 #163577

triadic

#166577 #771665 #657716

tetradic

#166577 #581677 #772816 #357716

square

#166577 #581677 #772816 #357716

split-complementary

#166577 #771635 #775816

monochromatic

#05161A #0C3943 #166577 #2091AB #2FB9D9

Accessibility & contrast

On white

6.64

#166577 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.16

#166577 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #166577

6.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##166577	#FFFFFF	#000000	##FFFFFF
##166577	1.00	6.64	3.16	6.64
#FFFFFF	6.64	1.00	21.00	1.00
#000000	3.16	21.00	1.00	21.00
##FFFFFF	6.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#596278

Deuteranopia (green-blind)

#4C5877

Tritanopia (blue-blind)

#006B6B

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #166577;
/* rgb */ color: rgb(22, 101, 119);
/* oklch */ color: oklch(47.0% 0.077 217.3);

Tailwind

colors: {
  custom: {
    50: '#65919e',
    500: '#166577',
    950: '#000000',
  },
}

SCSS

$custom: #166577;
$custom-light: #65919e;
$custom-dark: #000000;

JSON

{
  "hex": "#166577",
  "rgb": {
    "r": 22,
    "g": 101,
    "b": 119
  },
  "hsl": {
    "h": 191.134,
    "s": 68.794,
    "l": 27.647
  },
  "oklch": {
    "l": 0.46984,
    "c": 0.07698,
    "h": 217.3
  },
  "luminance": 0.1081
}

Semantic roles & 50–950 ramp

primary

#166577

secondary

#AC513C

accent

#5D3CEC

background

#F6F8F9

surface

#EBF0F2

border

#C6CBCC

text

#070C0E

muted

#7A7D7E

Preview Lab

Preview with #166577

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

Preview Lab → · Contrast checker → · Palette generator →