#18A1B3#18A1B3
#18A1B3 is a light, moderate teal. Relative luminance 0.289; OKLCH L 65.1% C 0.108 H 209.3°. Best body text is #000000 at 6.79:1 contrast (WCAG AA passes).
Color values
| HEX | #18A1B3 |
|---|---|
| RGB | rgb(24, 161, 179) |
| HSL | hsl(187, 76%, 40%) |
| HSV | hsv(187, 87%, 70%) |
| CMYK | cmyk(86.6%, 10.1%, 0%, 29.8%) |
| CIE-LAB | lab(60.72, -27.22, -18.98) |
| CIE-LCH | lch(60.72, 33.18, 214.88°) |
| OKLab | oklab(65.08% -0.0945 -0.0529) |
| OKLCH | oklch(65.08% 0.108 209.3) |
| XYZ | xyz(21.2546, 28.9358, 47.1040) |
| Luminance | 0.2894 (WCAG relative) |
| Temperature | cool |
| Family | teal |
Closest named colors
Turquoise Blue
#06B1C4
ΔE00 4.72
Cadetblue
#5F9EA0
ΔE00 7.04
Teal Blue
#01889F
ΔE00 8.67
Sea
#3C9992
ΔE00 9.81
Darkcyan
#008B8B
ΔE00 10.40
Dark Cyan
#0A888A
ΔE00 10.60
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#18A1B3 #B32A18
analogous
#18B378 #18A1B3 #1853B3
triadic
#18A1B3 #B318A1 #A1B318
tetradic
#18A1B3 #7818B3 #B32A18 #53B318
square
#18A1B3 #7818B3 #B32A18 #53B318
split-complementary
#18A1B3 #B31853 #B37818
monochromatic
#0A4047 #11707D #18A1B3 #26CCE2 #5CD9E9
Accessibility & contrast
On white
3.09
#18A1B3 on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
6.79
#18A1B3 on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #18A1B3
6.79:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##18A1B3 | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##18A1B3 | 1.00 | 3.09 | 6.79 | 6.79 |
| #FFFFFF | 3.09 | 1.00 | 21.00 | 21.00 |
| #000000 | 6.79 | 21.00 | 1.00 | 1.00 |
| ##000000 | 6.79 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#919BB4
Deuteranopia (green-blind)
#7E8CB3
Tritanopia (blue-blind)
#00A9A6
Achromatopsia (no color)
#929292
Design tokens & code
CSS
--color: #18a1b3; /* rgb */ color: rgb(24, 161, 179); /* oklch */ color: oklch(65.1% 0.108 209.3);
Tailwind
colors: {
custom: {
50: '#76bdc9',
500: '#18a1b3',
950: '#000000',
},
}SCSS
$custom: #18a1b3; $custom-light: #76bdc9; $custom-dark: #000000;
JSON
{
"hex": "#18a1b3",
"rgb": {
"r": 24,
"g": 161,
"b": 179
},
"hsl": {
"h": 186.968,
"s": 76.355,
"l": 39.804
},
"oklch": {
"l": 0.6508,
"c": 0.10827,
"h": 209.3
},
"luminance": 0.28939
}Semantic roles & 50–950 ramp
primary
#18A1B3
secondary
#CD675A
accent
#4B35F3
background
#F7FBFC
surface
#EEF6F8
border
#C9D0D1
text
#0A1213
muted
#7C8182