#166E8E#166E8E

#166E8E is a mid, moderate cyan. Relative luminance 0.133; OKLCH L 50.5% C 0.092 H 228.5°. Best body text is #FFFFFF at 5.75:1 contrast (WCAG AA passes).

Color values

HEX	#166E8E
RGB	rgb(22, 110, 142)
HSL	hsl(196, 73%, 32%)
HSV	hsv(196, 85%, 56%)
CMYK	cmyk(84.5%, 22.5%, 0%, 44.3%)
CIE-LAB	lab(43.17, -12.98, -24.52)
CIE-LCH	lch(43.17, 27.74, 242.11°)
OKLab	oklab(50.45% -0.061 -0.069)
OKLCH	oklch(50.45% 0.092 228.5)
XYZ	xyz(10.7873, 13.2741, 27.5795)
Luminance	0.1328 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#166E8E #8E3616

analogous

#168E72 #166E8E #16328E

triadic

#166E8E #8E166E #6E8E16

tetradic

#166E8E #72168E #8E3616 #328E16

square

#166E8E #72168E #8E3616 #328E16

split-complementary

#166E8E #8E1632 #8E7216

monochromatic

#061C24 #0E4559 #166E8E #1E97C3 #3DB5E1

Accessibility & contrast

On white

5.75

#166E8E on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.66

#166E8E on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #166E8E

5.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##166E8E	#FFFFFF	#000000	##FFFFFF
##166E8E	1.00	5.75	3.66	5.75
#FFFFFF	5.75	1.00	21.00	1.00
#000000	3.66	21.00	1.00	21.00
##FFFFFF	5.75	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5D6C90

Deuteranopia (green-blind)

#4E618E

Tritanopia (blue-blind)

#007779

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #166e8e;
/* rgb */ color: rgb(22, 110, 142);
/* oklch */ color: oklch(50.5% 0.092 228.5);

Tailwind

colors: {
  custom: {
    50: '#6a97af',
    500: '#166e8e',
    950: '#000000',
  },
}

SCSS

$custom: #166e8e;
$custom-light: #6a97af;
$custom-dark: #000000;

JSON

{
  "hex": "#166e8e",
  "rgb": {
    "r": 22,
    "g": 110,
    "b": 142
  },
  "hsl": {
    "h": 196,
    "s": 73.171,
    "l": 32.157
  },
  "oklch": {
    "l": 0.50453,
    "c": 0.09209,
    "h": 228.5
  },
  "luminance": 0.13275
}

Semantic roles & 50–950 ramp

primary

#166E8E

secondary

#C1623F

accent

#6938F0

background

#F6F9FA

surface

#ECF2F4

border

#C7CCCE

text

#080D10

muted

#7A7E7F

Preview Lab

Preview with #166E8E

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

Preview Lab → · Contrast checker → · Palette generator →