#218B9B#218B9B
#218B9B is a mid, moderate teal. Relative luminance 0.212; OKLCH L 58.7% C 0.093 H 210.2°. Best body text is #000000 at 5.23:1 contrast (WCAG AA passes).
Color values
| HEX | #218B9B |
|---|---|
| RGB | rgb(33, 139, 155) |
| HSL | hsl(188, 65%, 37%) |
| HSV | hsv(188, 79%, 61%) |
| CMYK | cmyk(78.7%, 10.3%, 0%, 39.2%) |
| CIE-LAB | lab(53.12, -23.15, -16.86) |
| CIE-LCH | lch(53.12, 28.64, 216.07°) |
| OKLab | oklab(58.68% -0.0806 -0.047) |
| OKLCH | oklch(58.68% 0.093 210.2) |
| XYZ | xyz(15.7736, 21.1532, 34.2556) |
| Luminance | 0.2115 (WCAG relative) |
| Temperature | cool |
| Family | teal |
Closest named colors
Teal Blue
#01889F
ΔE00 2.67
Dark Cyan
#0A888A
ΔE00 6.29
Ocean
#017B92
ΔE00 6.57
Darkcyan
#008B8B
ΔE00 7.07
Dirty Blue
#3F829D
ΔE00 7.27
Deep Aqua
#08787F
ΔE00 8.22
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#218B9B #9B3121
analogous
#219B6E #218B9B #214E9B
triadic
#218B9B #9B218B #8B9B21
tetradic
#218B9B #6E219B #9B3121 #4E9B21
square
#218B9B #6E219B #9B3121 #4E9B21
split-complementary
#218B9B #9B214E #9B6E21
monochromatic
#0C3136 #165E69 #218B9B #2CB8CD #5ACBDC
Accessibility & contrast
On white
4.01
#218B9B on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
5.23
#218B9B on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #218B9B
5.23:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##218B9B | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##218B9B | 1.00 | 4.01 | 5.23 | 5.23 |
| #FFFFFF | 4.01 | 1.00 | 21.00 | 21.00 |
| #000000 | 5.23 | 21.00 | 1.00 | 1.00 |
| ##000000 | 5.23 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#7E869C
Deuteranopia (green-blind)
#6D7A9B
Tritanopia (blue-blind)
#009290
Achromatopsia (no color)
#7F7F7F
Design tokens & code
CSS
--color: #218b9b; /* rgb */ color: rgb(33, 139, 155); /* oklch */ color: oklch(58.7% 0.093 210.2);
Tailwind
colors: {
custom: {
50: '#72adb8',
500: '#218b9b',
950: '#000000',
},
}SCSS
$custom: #218b9b; $custom-light: #72adb8; $custom-dark: #000000;
JSON
{
"hex": "#218b9b",
"rgb": {
"r": 33,
"g": 139,
"b": 155
},
"hsl": {
"h": 187.869,
"s": 64.894,
"l": 36.863
},
"oklch": {
"l": 0.58679,
"c": 0.09332,
"h": 210.2
},
"luminance": 0.21155
}Semantic roles & 50–950 ramp
primary
#218B9B
secondary
#C06558
accent
#5640E8
background
#F7FAFB
surface
#EDF4F6
border
#C8CED0
text
#091011
muted
#7B7F80