#18A5B3#18A5B3
#18A5B3 is a light, moderate teal. Relative luminance 0.304; OKLCH L 66.1% C 0.109 H 205.9°. Best body text is #000000 at 7.07:1 contrast (WCAG AA passes).
Color values
| HEX | #18A5B3 |
|---|---|
| RGB | rgb(24, 165, 179) |
| HSL | hsl(185, 76%, 40%) |
| HSV | hsv(185, 87%, 70%) |
| CMYK | cmyk(86.6%, 7.8%, 0%, 29.8%) |
| CIE-LAB | lab(61.96, -29.21, -17.10) |
| CIE-LCH | lch(61.96, 33.84, 210.35°) |
| OKLab | oklab(66.08% -0.0982 -0.0476) |
| OKLCH | oklch(66.08% 0.109 205.9) |
| XYZ | xyz(21.9648, 30.3563, 47.3408) |
| Luminance | 0.3036 (WCAG relative) |
| Temperature | cool |
| Family | teal |
Closest named colors
Turquoise Blue
#06B1C4
ΔE00 3.82
Cadetblue
#5F9EA0
ΔE00 6.59
Sea
#3C9992
ΔE00 8.84
Lightseagreen
#20B2AA
ΔE00 9.05
Teal Blue
#01889F
ΔE00 10.28
Darkcyan
#008B8B
ΔE00 10.38
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#18A5B3 #B32618
analogous
#18B373 #18A5B3 #1858B3
triadic
#18A5B3 #B318A5 #A5B318
tetradic
#18A5B3 #7318B3 #B32618 #58B318
square
#18A5B3 #7318B3 #B32618 #58B318
split-complementary
#18A5B3 #B31858 #B37318
monochromatic
#0A4247 #11737D #18A5B3 #26D1E2 #5CDCE9
Accessibility & contrast
On white
2.97
#18A5B3 on #FFFFFF
AA ✗AA large ✗AAA ✗
On black
7.07
#18A5B3 on #000000
AA ✓AA large ✓AAA ✓
Best text color
#000000 on #18A5B3
7.07:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##18A5B3 | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##18A5B3 | 1.00 | 2.97 | 7.07 | 7.07 |
| #FFFFFF | 2.97 | 1.00 | 21.00 | 21.00 |
| #000000 | 7.07 | 21.00 | 1.00 | 1.00 |
| ##000000 | 7.07 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#969EB4
Deuteranopia (green-blind)
#8290B3
Tritanopia (blue-blind)
#00ADA9
Achromatopsia (no color)
#969696
Design tokens & code
CSS
--color: #18a5b3; /* rgb */ color: rgb(24, 165, 179); /* oklch */ color: oklch(66.1% 0.109 205.9);
Tailwind
colors: {
custom: {
50: '#76c0c9',
500: '#18a5b3',
950: '#000000',
},
}SCSS
$custom: #18a5b3; $custom-light: #76c0c9; $custom-dark: #000000;
JSON
{
"hex": "#18a5b3",
"rgb": {
"r": 24,
"g": 165,
"b": 179
},
"hsl": {
"h": 185.419,
"s": 76.355,
"l": 39.804
},
"oklch": {
"l": 0.6608,
"c": 0.10917,
"h": 205.9
},
"luminance": 0.30359
}Semantic roles & 50–950 ramp
primary
#18A5B3
secondary
#CD645A
accent
#4635F3
background
#F8FBFC
surface
#EFF7F8
border
#CAD0D1
text
#0A1213
muted
#7C8182