#18A5B4#18A5B4

#18A5B4 is a light, moderate teal. Relative luminance 0.304; OKLCH L 66.1% C 0.109 H 206.6°. Best body text is #000000 at 7.08:1 contrast (WCAG AA passes).

Color values

HEX	#18A5B4
RGB	rgb(24, 165, 180)
HSL	hsl(186, 76%, 40%)
HSV	hsv(186, 87%, 71%)
CMYK	cmyk(86.7%, 8.3%, 0%, 29.4%)
CIE-LAB	lab(62.00, -28.88, -17.61)
CIE-LCH	lch(62.00, 33.83, 211.37°)
OKLab	oklab(66.12% -0.0978 -0.0491)
OKLCH	oklch(66.12% 0.109 206.6)
XYZ	xyz(22.0663, 30.3969, 47.8753)
Luminance	0.3040 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18A5B4 #B42718

analogous

#18B475 #18A5B4 #1857B4

triadic

#18A5B4 #B418A5 #A5B418

tetradic

#18A5B4 #7518B4 #B42718 #57B418

square

#18A5B4 #7518B4 #B42718 #57B418

split-complementary

#18A5B4 #B41857 #B47518

monochromatic

#0A4248 #11747E #18A5B4 #27D0E2 #5DDCE9

Accessibility & contrast

On white

2.97

#18A5B4 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.08

#18A5B4 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #18A5B4

7.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18A5B4	#FFFFFF	#000000	##000000
##18A5B4	1.00	2.97	7.08	7.08
#FFFFFF	2.97	1.00	21.00	21.00
#000000	7.08	21.00	1.00	1.00
##000000	7.08	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#969EB5

Deuteranopia (green-blind)

#8290B4

Tritanopia (blue-blind)

#00ADA9

Achromatopsia (no color)

#969696

Design tokens & code

CSS

--color: #18a5b4;
/* rgb */ color: rgb(24, 165, 180);
/* oklch */ color: oklch(66.1% 0.109 206.6);

Tailwind

colors: {
  custom: {
    50: '#76c0ca',
    500: '#18a5b4',
    950: '#000000',
  },
}

SCSS

$custom: #18a5b4;
$custom-light: #76c0ca;
$custom-dark: #000000;

JSON

{
  "hex": "#18a5b4",
  "rgb": {
    "r": 24,
    "g": 165,
    "b": 180
  },
  "hsl": {
    "h": 185.769,
    "s": 76.471,
    "l": 40
  },
  "oklch": {
    "l": 0.6612,
    "c": 0.10942,
    "h": 206.6
  },
  "luminance": 0.304
}

Semantic roles & 50–950 ramp

primary

#18A5B4

secondary

#CD665B

accent

#4735F3

background

#F8FBFC

surface

#EFF7F8

border

#CAD0D1

text

#0A1213

muted

#7C8182

Preview Lab

Preview with #18A5B4

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

Preview Lab → · Contrast checker → · Palette generator →