#18A3B3#18A3B3

#18A3B3 is a light, moderate teal. Relative luminance 0.296; OKLCH L 65.6% C 0.109 H 207.6°. Best body text is #000000 at 6.93:1 contrast (WCAG AA passes).

Color values

HEX	#18A3B3
RGB	rgb(24, 163, 179)
HSL	hsl(186, 76%, 40%)
HSV	hsv(186, 87%, 70%)
CMYK	cmyk(86.6%, 8.9%, 0%, 29.8%)
CIE-LAB	lab(61.34, -28.22, -18.04)
CIE-LCH	lch(61.34, 33.49, 212.59°)
OKLab	oklab(65.58% -0.0963 -0.0503)
OKLCH	oklch(65.58% 0.109 207.6)
XYZ	xyz(21.6069, 29.6404, 47.2215)
Luminance	0.2964 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18A3B3 #B32818

analogous

#18B376 #18A3B3 #1855B3

triadic

#18A3B3 #B318A3 #A3B318

tetradic

#18A3B3 #7618B3 #B32818 #55B318

square

#18A3B3 #7618B3 #B32818 #55B318

split-complementary

#18A3B3 #B31855 #B37618

monochromatic

#0A4147 #11727D #18A3B3 #26CFE2 #5CDBE9

Accessibility & contrast

On white

3.03

#18A3B3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.93

#18A3B3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #18A3B3

6.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18A3B3	#FFFFFF	#000000	##000000
##18A3B3	1.00	3.03	6.93	6.93
#FFFFFF	3.03	1.00	21.00	21.00
#000000	6.93	21.00	1.00	1.00
##000000	6.93	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#949CB4

Deuteranopia (green-blind)

#808EB3

Tritanopia (blue-blind)

#00ABA8

Achromatopsia (no color)

#949494

Design tokens & code

CSS

--color: #18a3b3;
/* rgb */ color: rgb(24, 163, 179);
/* oklch */ color: oklch(65.6% 0.109 207.6);

Tailwind

colors: {
  custom: {
    50: '#76bec9',
    500: '#18a3b3',
    950: '#000000',
  },
}

SCSS

$custom: #18a3b3;
$custom-light: #76bec9;
$custom-dark: #000000;

JSON

{
  "hex": "#18a3b3",
  "rgb": {
    "r": 24,
    "g": 163,
    "b": 179
  },
  "hsl": {
    "h": 186.194,
    "s": 76.355,
    "l": 39.804
  },
  "oklch": {
    "l": 0.6558,
    "c": 0.10867,
    "h": 207.6
  },
  "luminance": 0.29643
}

Semantic roles & 50–950 ramp

primary

#18A3B3

secondary

#CD665A

accent

#4835F3

background

#F8FBFC

surface

#EFF7F8

border

#CAD0D1

text

#0A1213

muted

#7C8182

Preview Lab

Preview with #18A3B3

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

Preview Lab → · Contrast checker → · Palette generator →