#18A3B4#18A3B4

#18A3B4 is a light, moderate teal. Relative luminance 0.297; OKLCH L 65.6% C 0.109 H 208.3°. Best body text is #000000 at 6.94:1 contrast (WCAG AA passes).

Color values

HEX	#18A3B4
RGB	rgb(24, 163, 180)
HSL	hsl(187, 76%, 40%)
HSV	hsv(187, 87%, 71%)
CMYK	cmyk(86.7%, 9.4%, 0%, 29.4%)
CIE-LAB	lab(61.38, -27.89, -18.55)
CIE-LCH	lch(61.38, 33.50, 213.62°)
OKLab	oklab(65.62% -0.0959 -0.0517)
OKLCH	oklch(65.62% 0.109 208.3)
XYZ	xyz(21.7084, 29.6810, 47.7560)
Luminance	0.2968 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18A3B4 #B42918

analogous

#18B477 #18A3B4 #1855B4

triadic

#18A3B4 #B418A3 #A3B418

tetradic

#18A3B4 #7718B4 #B42918 #55B418

square

#18A3B4 #7718B4 #B42918 #55B418

split-complementary

#18A3B4 #B41855 #B47718

monochromatic

#0A4148 #11727E #18A3B4 #27CEE2 #5DDAE9

Accessibility & contrast

On white

3.03

#18A3B4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.94

#18A3B4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #18A3B4

6.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18A3B4	#FFFFFF	#000000	##000000
##18A3B4	1.00	3.03	6.94	6.94
#FFFFFF	3.03	1.00	21.00	21.00
#000000	6.94	21.00	1.00	1.00
##000000	6.94	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#939CB5

Deuteranopia (green-blind)

#808EB4

Tritanopia (blue-blind)

#00ABA8

Achromatopsia (no color)

#949494

Design tokens & code

CSS

--color: #18a3b4;
/* rgb */ color: rgb(24, 163, 180);
/* oklch */ color: oklch(65.6% 0.109 208.3);

Tailwind

colors: {
  custom: {
    50: '#76beca',
    500: '#18a3b4',
    950: '#000000',
  },
}

SCSS

$custom: #18a3b4;
$custom-light: #76beca;
$custom-dark: #000000;

JSON

{
  "hex": "#18a3b4",
  "rgb": {
    "r": 24,
    "g": 163,
    "b": 180
  },
  "hsl": {
    "h": 186.538,
    "s": 76.471,
    "l": 40
  },
  "oklch": {
    "l": 0.6562,
    "c": 0.10896,
    "h": 208.3
  },
  "luminance": 0.29684
}

Semantic roles & 50–950 ramp

primary

#18A3B4

secondary

#CD675B

accent

#4A35F3

background

#F8FBFC

surface

#EFF7F8

border

#CAD0D1

text

#0A1213

muted

#7C8182

Preview Lab

Preview with #18A3B4

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

Preview Lab → · Contrast checker → · Palette generator →