#166B8E#166B8E

#166B8E is a mid, moderate cyan. Relative luminance 0.126; OKLCH L 49.7% C 0.094 H 231.6°. Best body text is #FFFFFF at 5.95:1 contrast (WCAG AA passes).

Color values

HEX	#166B8E
RGB	rgb(22, 107, 142)
HSL	hsl(198, 73%, 32%)
HSV	hsv(198, 85%, 56%)
CMYK	cmyk(84.5%, 24.6%, 0%, 44.3%)
CIE-LAB	lab(42.21, -11.24, -26.02)
CIE-LCH	lch(42.21, 28.34, 246.64°)
OKLab	oklab(49.69% -0.058 -0.0733)
OKLCH	oklch(49.69% 0.094 231.6)
XYZ	xyz(10.4691, 12.6376, 27.4735)
Luminance	0.1264 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#166B8E #8E3916

analogous

#168E75 #166B8E #162F8E

triadic

#166B8E #8E166B #6B8E16

tetradic

#166B8E #75168E #8E3916 #2F8E16

square

#166B8E #75168E #8E3916 #2F8E16

split-complementary

#166B8E #8E162F #8E7516

monochromatic

#061B24 #0E4359 #166B8E #1E93C3 #3DB1E1

Accessibility & contrast

On white

5.95

#166B8E on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.53

#166B8E on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #166B8E

5.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##166B8E	#FFFFFF	#000000	##FFFFFF
##166B8E	1.00	5.95	3.53	5.95
#FFFFFF	5.95	1.00	21.00	1.00
#000000	3.53	21.00	1.00	21.00
##FFFFFF	5.95	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#596A90

Deuteranopia (green-blind)

#4A5F8D

Tritanopia (blue-blind)

#007477

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #166b8e;
/* rgb */ color: rgb(22, 107, 142);
/* oklch */ color: oklch(49.7% 0.094 231.6);

Tailwind

colors: {
  custom: {
    50: '#6a95af',
    500: '#166b8e',
    950: '#000000',
  },
}

SCSS

$custom: #166b8e;
$custom-light: #6a95af;
$custom-dark: #000000;

JSON

{
  "hex": "#166b8e",
  "rgb": {
    "r": 22,
    "g": 107,
    "b": 142
  },
  "hsl": {
    "h": 197.5,
    "s": 73.171,
    "l": 32.157
  },
  "oklch": {
    "l": 0.49685,
    "c": 0.09354,
    "h": 231.6
  },
  "luminance": 0.12639
}

Semantic roles & 50–950 ramp

primary

#166B8E

secondary

#C1653F

accent

#6E38F0

background

#F6F9FA

surface

#ECF1F4

border

#C7CBCE

text

#080D10

muted

#7A7E7F

Preview Lab

Preview with #166B8E

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

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