#1BB1B4#1BB1B4
#1BB1B4 is a light, moderate teal. Relative luminance 0.350; OKLCH L 69.2% C 0.114 H 197.1°. Best body text is #000000 at 7.99:1 contrast (WCAG AA passes).
Color values
| HEX | #1BB1B4 |
|---|---|
| RGB | rgb(27, 177, 180) |
| HSL | hsl(181, 74%, 41%) |
| HSV | hsv(181, 85%, 71%) |
| CMYK | cmyk(85%, 1.7%, 0%, 29.4%) |
| CIE-LAB | lab(65.72, -34.45, -11.98) |
| CIE-LCH | lch(65.72, 36.47, 199.17°) |
| OKLab | oklab(69.16% -0.1085 -0.0333) |
| OKLCH | oklch(69.16% 0.114 197.1) |
| XYZ | xyz(24.4085, 34.9694, 48.6345) |
| Luminance | 0.3497 (WCAG relative) |
| Temperature | cool |
| Family | teal |
Closest named colors
Lightseagreen
#20B2AA
ΔE00 4.08
Turquoise Blue
#06B1C4
ΔE00 5.71
Topaz
#13BBAF
ΔE00 6.04
Darkturquoise
#00CED1
ΔE00 7.65
Cadetblue
#5F9EA0
ΔE00 7.94
Sea
#3C9992
ΔE00 8.34
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#1BB1B4 #B41E1B
analogous
#1BB46A #1BB1B4 #1B65B4
triadic
#1BB1B4 #B41BB1 #B1B41B
tetradic
#1BB1B4 #6A1BB4 #B41E1B #65B41B
square
#1BB1B4 #6A1BB4 #B41E1B #65B41B
split-complementary
#1BB1B4 #B41B65 #B46A1B
monochromatic
#0B484A #137D7F #1BB1B4 #2DDCDF #62E5E7
Accessibility & contrast
On white
2.63
#1BB1B4 on #FFFFFF
AA ✗AA large ✗AAA ✗
On black
7.99
#1BB1B4 on #000000
AA ✓AA large ✓AAA ✓
Best text color
#000000 on #1BB1B4
7.99:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##1BB1B4 | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##1BB1B4 | 1.00 | 2.63 | 7.99 | 7.99 |
| #FFFFFF | 2.63 | 1.00 | 21.00 | 21.00 |
| #000000 | 7.99 | 21.00 | 1.00 | 1.00 |
| ##000000 | 7.99 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#A4A8B4
Deuteranopia (green-blind)
#9099B5
Tritanopia (blue-blind)
#00B7B2
Achromatopsia (no color)
#A0A0A0
Design tokens & code
CSS
--color: #1bb1b4; /* rgb */ color: rgb(27, 177, 180); /* oklch */ color: oklch(69.2% 0.114 197.1);
Tailwind
colors: {
custom: {
50: '#79c9ca',
500: '#1bb1b4',
950: '#000000',
},
}SCSS
$custom: #1bb1b4; $custom-light: #79c9ca; $custom-dark: #000000;
JSON
{
"hex": "#1bb1b4",
"rgb": {
"r": 27,
"g": 177,
"b": 180
},
"hsl": {
"h": 181.176,
"s": 73.913,
"l": 40.588
},
"oklch": {
"l": 0.69156,
"c": 0.11354,
"h": 197.1
},
"luminance": 0.34973
}Semantic roles & 50–950 ramp
primary
#1BB1B4
secondary
#CC615F
accent
#3B37F1
background
#F8FCFC
surface
#EFF8F8
border
#CAD1D1
text
#0B1313
muted
#7C8282