#18909B#18909B

#18909B is a mid, moderate teal. Relative luminance 0.225; OKLCH L 59.8% C 0.097 H 204.8°. Best body text is #000000 at 5.50:1 contrast (WCAG AA passes).

Color values

HEX	#18909B
RGB	rgb(24, 144, 155)
HSL	hsl(185, 73%, 35%)
HSV	hsv(185, 85%, 61%)
CMYK	cmyk(84.5%, 7.1%, 0%, 39.2%)
CIE-LAB	lab(54.56, -26.55, -14.68)
CIE-LCH	lch(54.56, 30.34, 208.95°)
OKLab	oklab(59.81% -0.0884 -0.0409)
OKLCH	oklch(59.81% 0.097 204.8)
XYZ	xyz(16.2637, 22.5052, 34.4907)
Luminance	0.2251 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18909B #9B2318

analogous

#189B64 #18909B #184F9B

triadic

#18909B #9B1890 #909B18

tetradic

#18909B #64189B #9B2318 #4F9B18

square

#18909B #64189B #9B2318 #4F9B18

split-complementary

#18909B #9B184F #9B6418

monochromatic

#082E31 #105F66 #18909B #20C1D0 #4AD6E3

Accessibility & contrast

On white

3.82

#18909B on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.50

#18909B on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #18909B

5.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18909B	#FFFFFF	#000000	##000000
##18909B	1.00	3.82	5.50	5.50
#FFFFFF	3.82	1.00	21.00	21.00
#000000	5.50	21.00	1.00	1.00
##000000	5.50	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#838A9C

Deuteranopia (green-blind)

#727D9B

Tritanopia (blue-blind)

#009793

Achromatopsia (no color)

#828282

Design tokens & code

CSS

--color: #18909b;
/* rgb */ color: rgb(24, 144, 155);
/* oklch */ color: oklch(59.8% 0.097 204.8);

Tailwind

colors: {
  custom: {
    50: '#70b1b8',
    500: '#18909b',
    950: '#000000',
  },
}

SCSS

$custom: #18909b;
$custom-light: #70b1b8;
$custom-dark: #000000;

JSON

{
  "hex": "#18909b",
  "rgb": {
    "r": 24,
    "g": 144,
    "b": 155
  },
  "hsl": {
    "h": 185.038,
    "s": 73.184,
    "l": 35.098
  },
  "oklch": {
    "l": 0.59806,
    "c": 0.09741,
    "h": 204.8
  },
  "luminance": 0.22507
}

Semantic roles & 50–950 ramp

primary

#18909B

secondary

#C5544A

accent

#4738F0

background

#F7FAFB

surface

#EDF5F6

border

#C8CFD0

text

#091011

muted

#7B7F80

Preview Lab

Preview with #18909B

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

Preview Lab → · Contrast checker → · Palette generator →