#188D9B#188D9B

#188D9B is a mid, moderate teal. Relative luminance 0.216; OKLCH L 59.0% C 0.097 H 207.7°. Best body text is #000000 at 5.32:1 contrast (WCAG AA passes).

Color values

HEX	#188D9B
RGB	rgb(24, 141, 155)
HSL	hsl(186, 73%, 35%)
HSV	hsv(186, 85%, 61%)
CMYK	cmyk(84.5%, 9%, 0%, 39.2%)
CIE-LAB	lab(53.61, -25.03, -16.12)
CIE-LCH	lch(53.61, 29.77, 212.79°)
OKLab	oklab(59.04% -0.0855 -0.0449)
OKLCH	oklch(59.04% 0.097 207.7)
XYZ	xyz(15.8153, 21.6085, 34.3413)
Luminance	0.2161 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#188D9B #9B2618

analogous

#189B67 #188D9B #184C9B

triadic

#188D9B #9B188D #8D9B18

tetradic

#188D9B #67189B #9B2618 #4C9B18

square

#188D9B #67189B #9B2618 #4C9B18

split-complementary

#188D9B #9B184C #9B6718

monochromatic

#082D31 #105D66 #188D9B #20BDD0 #4AD3E3

Accessibility & contrast

On white

3.95

#188D9B on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.32

#188D9B on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #188D9B

5.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##188D9B	#FFFFFF	#000000	##000000
##188D9B	1.00	3.95	5.32	5.32
#FFFFFF	3.95	1.00	21.00	21.00
#000000	5.32	21.00	1.00	1.00
##000000	5.32	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#80879C

Deuteranopia (green-blind)

#6F7B9B

Tritanopia (blue-blind)

#009491

Achromatopsia (no color)

#808080

Design tokens & code

CSS

--color: #188d9b;
/* rgb */ color: rgb(24, 141, 155);
/* oklch */ color: oklch(59.0% 0.097 207.7);

Tailwind

colors: {
  custom: {
    50: '#70aeb8',
    500: '#188d9b',
    950: '#000000',
  },
}

SCSS

$custom: #188d9b;
$custom-light: #70aeb8;
$custom-dark: #000000;

JSON

{
  "hex": "#188d9b",
  "rgb": {
    "r": 24,
    "g": 141,
    "b": 155
  },
  "hsl": {
    "h": 186.412,
    "s": 73.184,
    "l": 35.098
  },
  "oklch": {
    "l": 0.59037,
    "c": 0.09656,
    "h": 207.7
  },
  "luminance": 0.21611
}

Semantic roles & 50–950 ramp

primary

#188D9B

secondary

#C5574A

accent

#4C38F0

background

#F7FAFB

surface

#EDF4F6

border

#C8CED0

text

#091011

muted

#7B7F80

Preview Lab

Preview with #188D9B

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

Preview Lab → · Contrast checker → · Palette generator →