#166B7E#166B7E

#166B7E is a mid, moderate cyan. Relative luminance 0.122; OKLCH L 48.9% C 0.081 H 217.1°. Best body text is #FFFFFF at 6.11:1 contrast (WCAG AA passes).

Color values

HEX	#166B7E
RGB	rgb(22, 107, 126)
HSL	hsl(191, 70%, 29%)
HSV	hsv(191, 83%, 49%)
CMYK	cmyk(82.5%, 15.1%, 0%, 50.6%)
CIE-LAB	lab(41.52, -17.09, -17.46)
CIE-LCH	lch(41.52, 24.43, 225.63°)
OKLab	oklab(48.9% -0.0645 -0.0488)
OKLCH	oklch(48.9% 0.081 217.1)
XYZ	xyz(9.3529, 12.1912, 21.5948)
Luminance	0.1219 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#166B7E #7E2916

analogous

#167E5D #166B7E #16377E

triadic

#166B7E #7E166B #6B7E16

tetradic

#166B7E #5D167E #7E2916 #377E16

square

#166B7E #5D167E #7E2916 #377E16

split-complementary

#166B7E #7E1637 #7E5D16

monochromatic

#05161A #0D3F4A #166B7E #1F97B2 #33BDDB

Accessibility & contrast

On white

6.11

#166B7E on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.44

#166B7E on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #166B7E

6.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##166B7E	#FFFFFF	#000000	##FFFFFF
##166B7E	1.00	6.11	3.44	6.11
#FFFFFF	6.11	1.00	21.00	1.00
#000000	3.44	21.00	1.00	21.00
##FFFFFF	6.11	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5F687F

Deuteranopia (green-blind)

#515E7E

Tritanopia (blue-blind)

#007271

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #166b7e;
/* rgb */ color: rgb(22, 107, 126);
/* oklch */ color: oklch(48.9% 0.081 217.1);

Tailwind

colors: {
  custom: {
    50: '#6795a3',
    500: '#166b7e',
    950: '#000000',
  },
}

SCSS

$custom: #166b7e;
$custom-light: #6795a3;
$custom-dark: #000000;

JSON

{
  "hex": "#166b7e",
  "rgb": {
    "r": 22,
    "g": 107,
    "b": 126
  },
  "hsl": {
    "h": 190.962,
    "s": 70.27,
    "l": 29.02
  },
  "oklch": {
    "l": 0.48899,
    "c": 0.08088,
    "h": 217.1
  },
  "luminance": 0.12192
}

Semantic roles & 50–950 ramp

primary

#166B7E

secondary

#B3523D

accent

#5B3BED

background

#F6F9FA

surface

#EBF1F3

border

#C6CBCD

text

#070D0F

muted

#7A7E7F

Preview Lab

Preview with #166B7E

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

Preview Lab → · Contrast checker → · Palette generator →