#166A7B#166A7B

#166A7B is a mid, moderate cyan. Relative luminance 0.119; OKLCH L 48.5% C 0.079 H 215.2°. Best body text is #FFFFFF at 6.21:1 contrast (WCAG AA passes).

Color values

HEX	#166A7B
RGB	rgb(22, 106, 123)
HSL	hsl(190, 70%, 28%)
HSV	hsv(190, 82%, 48%)
CMYK	cmyk(82.1%, 13.8%, 0%, 51.8%)
CIE-LAB	lab(41.07, -17.60, -16.34)
CIE-LCH	lch(41.07, 24.01, 222.88°)
OKLab	oklab(48.5% -0.0647 -0.0456)
OKLCH	oklch(48.5% 0.079 215.2)
XYZ	xyz(9.0585, 11.9076, 20.5560)
Luminance	0.1191 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#166A7B #7B2716

analogous

#167B59 #166A7B #16377B

triadic

#166A7B #7B166A #6A7B16

tetradic

#166A7B #59167B #7B2716 #377B16

square

#166A7B #59167B #7B2716 #377B16

split-complementary

#166A7B #7B1637 #7B5916

monochromatic

#05161A #0D3D47 #166A7B #1F97AF #31BEDA

Accessibility & contrast

On white

6.21

#166A7B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.38

#166A7B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #166A7B

6.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##166A7B	#FFFFFF	#000000	##FFFFFF
##166A7B	1.00	6.21	3.38	6.21
#FFFFFF	6.21	1.00	21.00	1.00
#000000	3.38	21.00	1.00	21.00
##FFFFFF	6.21	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5E667C

Deuteranopia (green-blind)

#515D7B

Tritanopia (blue-blind)

#00706F

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #166a7b;
/* rgb */ color: rgb(22, 106, 123);
/* oklch */ color: oklch(48.5% 0.079 215.2);

Tailwind

colors: {
  custom: {
    50: '#6794a1',
    500: '#166a7b',
    950: '#000000',
  },
}

SCSS

$custom: #166a7b;
$custom-light: #6794a1;
$custom-dark: #000000;

JSON

{
  "hex": "#166a7b",
  "rgb": {
    "r": 22,
    "g": 106,
    "b": 123
  },
  "hsl": {
    "h": 190.099,
    "s": 69.655,
    "l": 28.431
  },
  "oklch": {
    "l": 0.48497,
    "c": 0.07921,
    "h": 215.2
  },
  "luminance": 0.11909
}

Semantic roles & 50–950 ramp

primary

#166A7B

secondary

#B0503D

accent

#593BEC

background

#F6F9F9

surface

#EBF1F2

border

#C6CBCC

text

#070D0F

muted

#7A7E7E

Preview Lab

Preview with #166A7B

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

Preview Lab → · Contrast checker → · Palette generator →