#166A7D#166A7D

#166A7D is a mid, moderate cyan. Relative luminance 0.120; OKLCH L 48.6% C 0.080 H 217.3°. Best body text is #FFFFFF at 6.19:1 contrast (WCAG AA passes).

Color values

HEX	#166A7D
RGB	rgb(22, 106, 125)
HSL	hsl(191, 70%, 29%)
HSV	hsv(191, 82%, 49%)
CMYK	cmyk(82.4%, 15.2%, 0%, 51%)
CIE-LAB	lab(41.15, -16.89, -17.43)
CIE-LCH	lch(41.15, 24.27, 225.90°)
OKLab	oklab(48.59% -0.0639 -0.0487)
OKLCH	oklch(48.59% 0.08 217.3)
XYZ	xyz(9.1850, 11.9582, 21.2221)
Luminance	0.1196 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#166A7D #7D2916

analogous

#167D5D #166A7D #16377D

triadic

#166A7D #7D166A #6A7D16

tetradic

#166A7D #5D167D #7D2916 #377D16

square

#166A7D #5D167D #7D2916 #377D16

split-complementary

#166A7D #7D1637 #7D5D16

monochromatic

#05161A #0D3E49 #166A7D #1F96B1 #32BCDB

Accessibility & contrast

On white

6.19

#166A7D on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.39

#166A7D on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #166A7D

6.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##166A7D	#FFFFFF	#000000	##FFFFFF
##166A7D	1.00	6.19	3.39	6.19
#FFFFFF	6.19	1.00	21.00	1.00
#000000	3.39	21.00	1.00	21.00
##FFFFFF	6.19	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5E677E

Deuteranopia (green-blind)

#505D7D

Tritanopia (blue-blind)

#007170

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #166a7d;
/* rgb */ color: rgb(22, 106, 125);
/* oklch */ color: oklch(48.6% 0.080 217.3);

Tailwind

colors: {
  custom: {
    50: '#6794a2',
    500: '#166a7d',
    950: '#000000',
  },
}

SCSS

$custom: #166a7d;
$custom-light: #6794a2;
$custom-dark: #000000;

JSON

{
  "hex": "#166a7d",
  "rgb": {
    "r": 22,
    "g": 106,
    "b": 125
  },
  "hsl": {
    "h": 191.068,
    "s": 70.068,
    "l": 28.824
  },
  "oklch": {
    "l": 0.48589,
    "c": 0.08033,
    "h": 217.3
  },
  "luminance": 0.11959
}

Semantic roles & 50–950 ramp

primary

#166A7D

secondary

#B2523D

accent

#5C3BED

background

#F6F9FA

surface

#EBF1F3

border

#C6CBCD

text

#070D0F

muted

#7A7E7F

Preview Lab

Preview with #166A7D

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

Preview Lab → · Contrast checker → · Palette generator →