#18666B#18666B

#18666B is a mid, moderate teal. Relative luminance 0.108; OKLCH L 46.8% C 0.072 H 201.4°. Best body text is #FFFFFF at 6.66:1 contrast (WCAG AA passes).

Color values

HEX	#18666B
RGB	rgb(24, 102, 107)
HSL	hsl(184, 63%, 26%)
HSV	hsv(184, 78%, 42%)
CMYK	cmyk(77.6%, 4.7%, 0%, 58%)
CIE-LAB	lab(39.17, -20.70, -9.47)
CIE-LCH	lch(39.17, 22.76, 204.60°)
OKLab	oklab(46.77% -0.067 -0.0263)
OKLCH	oklch(46.77% 0.072 201.4)
XYZ	xyz(7.7807, 10.7575, 15.5734)
Luminance	0.1076 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18666B #6B1D18

analogous

#186B46 #18666B #183C6B

triadic

#18666B #6B1866 #666B18

tetradic

#18666B #46186B #6B1D18 #3C6B18

square

#18666B #46186B #6B1D18 #3C6B18

split-complementary

#18666B #6B183C #6B4618

monochromatic

#061819 #0D3639 #18666B #23969D #2EC5CF

Accessibility & contrast

On white

6.66

#18666B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.15

#18666B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #18666B

6.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18666B	#FFFFFF	#000000	##FFFFFF
##18666B	1.00	6.66	3.15	6.66
#FFFFFF	6.66	1.00	21.00	1.00
#000000	3.15	21.00	1.00	21.00
##FFFFFF	6.66	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5E616B

Deuteranopia (green-blind)

#52596B

Tritanopia (blue-blind)

#006A67

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #18666b;
/* rgb */ color: rgb(24, 102, 107);
/* oklch */ color: oklch(46.8% 0.072 201.4);

Tailwind

colors: {
  custom: {
    50: '#649295',
    500: '#18666b',
    950: '#000000',
  },
}

SCSS

$custom: #18666b;
$custom-light: #649295;
$custom-dark: #000000;

JSON

{
  "hex": "#18666b",
  "rgb": {
    "r": 24,
    "g": 102,
    "b": 107
  },
  "hsl": {
    "h": 183.614,
    "s": 63.359,
    "l": 25.686
  },
  "oklch": {
    "l": 0.46772,
    "c": 0.07197,
    "h": 201.4
  },
  "luminance": 0.10758
}

Semantic roles & 50–950 ramp

primary

#18666B

secondary

#A1443E

accent

#4B41E6

background

#F6F9F9

surface

#EBF1F1

border

#C6CBCB

text

#060D0D

muted

#7A7E7E

Preview Lab

Preview with #18666B

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

Preview Lab → · Contrast checker → · Palette generator →