#18A1B4#18A1B4
#18A1B4 is a light, moderate teal. Relative luminance 0.290; OKLCH L 65.1% C 0.109 H 210.0°. Best body text is #000000 at 6.80:1 contrast (WCAG AA passes).
Color values
| HEX | #18A1B4 |
|---|---|
| RGB | rgb(24, 161, 180) |
| HSL | hsl(187, 76%, 40%) |
| HSV | hsv(187, 87%, 71%) |
| CMYK | cmyk(86.7%, 10.6%, 0%, 29.4%) |
| CIE-LAB | lab(60.76, -26.90, -19.49) |
| CIE-LCH | lch(60.76, 33.21, 215.92°) |
| OKLab | oklab(65.12% -0.094 -0.0544) |
| OKLCH | oklch(65.12% 0.109 210) |
| XYZ | xyz(21.3561, 28.9764, 47.6386) |
| Luminance | 0.2898 (WCAG relative) |
| Temperature | cool |
| Family | teal |
Closest named colors
Turquoise Blue
#06B1C4
ΔE00 4.74
Cadetblue
#5F9EA0
ΔE00 7.24
Teal Blue
#01889F
ΔE00 8.59
Sea
#3C9992
ΔE00 10.15
Greyblue
#77A1B5
ΔE00 10.62
Darkcyan
#008B8B
ΔE00 10.66
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#18A1B4 #B42B18
analogous
#18B479 #18A1B4 #1853B4
triadic
#18A1B4 #B418A1 #A1B418
tetradic
#18A1B4 #7918B4 #B42B18 #53B418
square
#18A1B4 #7918B4 #B42B18 #53B418
split-complementary
#18A1B4 #B41853 #B47918
monochromatic
#0A4048 #11717E #18A1B4 #27CBE2 #5DD8E9
Accessibility & contrast
On white
3.09
#18A1B4 on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
6.80
#18A1B4 on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #18A1B4
6.80:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##18A1B4 | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##18A1B4 | 1.00 | 3.09 | 6.80 | 6.80 |
| #FFFFFF | 3.09 | 1.00 | 21.00 | 21.00 |
| #000000 | 6.80 | 21.00 | 1.00 | 1.00 |
| ##000000 | 6.80 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#919BB5
Deuteranopia (green-blind)
#7D8CB4
Tritanopia (blue-blind)
#00A9A7
Achromatopsia (no color)
#939393
Design tokens & code
CSS
--color: #18a1b4; /* rgb */ color: rgb(24, 161, 180); /* oklch */ color: oklch(65.1% 0.109 210.0);
Tailwind
colors: {
custom: {
50: '#76bdca',
500: '#18a1b4',
950: '#000000',
},
}SCSS
$custom: #18a1b4; $custom-light: #76bdca; $custom-dark: #000000;
JSON
{
"hex": "#18a1b4",
"rgb": {
"r": 24,
"g": 161,
"b": 180
},
"hsl": {
"h": 187.308,
"s": 76.471,
"l": 40
},
"oklch": {
"l": 0.65121,
"c": 0.10861,
"h": 210
},
"luminance": 0.28979
}Semantic roles & 50–950 ramp
primary
#18A1B4
secondary
#CD695B
accent
#4C35F3
background
#F8FBFC
surface
#EFF6F8
border
#CAD0D1
text
#0A1213
muted
#7C8182