#166B7D#166B7D

#166B7D is a mid, moderate cyan. Relative luminance 0.122; OKLCH L 48.9% C 0.080 H 216.1°. Best body text is #FFFFFF at 6.12:1 contrast (WCAG AA passes).

Color values

HEX	#166B7D
RGB	rgb(22, 107, 125)
HSL	hsl(190, 70%, 29%)
HSV	hsv(190, 82%, 49%)
CMYK	cmyk(82.4%, 14.4%, 0%, 51%)
CIE-LAB	lab(41.48, -17.44, -16.92)
CIE-LCH	lch(41.48, 24.30, 224.13°)
OKLab	oklab(48.85% -0.0649 -0.0473)
OKLCH	oklch(48.85% 0.08 216.1)
XYZ	xyz(9.2887, 12.1655, 21.2567)
Luminance	0.1217 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#166B7D #7D2816

analogous

#167D5C #166B7D #16387D

triadic

#166B7D #7D166B #6B7D16

tetradic

#166B7D #5C167D #7D2816 #387D16

square

#166B7D #5C167D #7D2816 #387D16

split-complementary

#166B7D #7D1638 #7D5C16

monochromatic

#05161A #0D3E49 #166B7D #1F98B1 #32BEDB

Accessibility & contrast

On white

6.12

#166B7D on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.43

#166B7D on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #166B7D

6.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##166B7D	#FFFFFF	#000000	##FFFFFF
##166B7D	1.00	6.12	3.43	6.12
#FFFFFF	6.12	1.00	21.00	1.00
#000000	3.43	21.00	1.00	21.00
##FFFFFF	6.12	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5F677E

Deuteranopia (green-blind)

#515E7D

Tritanopia (blue-blind)

#007171

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #166b7d;
/* rgb */ color: rgb(22, 107, 125);
/* oklch */ color: oklch(48.9% 0.080 216.1);

Tailwind

colors: {
  custom: {
    50: '#6795a2',
    500: '#166b7d',
    950: '#000000',
  },
}

SCSS

$custom: #166b7d;
$custom-light: #6795a2;
$custom-dark: #000000;

JSON

{
  "hex": "#166b7d",
  "rgb": {
    "r": 22,
    "g": 107,
    "b": 125
  },
  "hsl": {
    "h": 190.485,
    "s": 70.068,
    "l": 28.824
  },
  "oklch": {
    "l": 0.48853,
    "c": 0.08031,
    "h": 216.1
  },
  "luminance": 0.12167
}

Semantic roles & 50–950 ramp

primary

#166B7D

secondary

#B2513D

accent

#5A3BED

background

#F6F9FA

surface

#EBF1F3

border

#C6CBCD

text

#070D0F

muted

#7A7E7F

Preview Lab

Preview with #166B7D

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

Preview Lab → · Contrast checker → · Palette generator →