#37BFD9#37BFD9
#37BFD9 is a light, moderate teal. Relative luminance 0.431; OKLCH L 74.5% C 0.118 H 213.6°. Best body text is #000000 at 9.62:1 contrast (WCAG AA passes).
Color values
| HEX | #37BFD9 |
|---|---|
| RGB | rgb(55, 191, 217) |
| HSL | hsl(190, 68%, 53%) |
| HSV | hsv(190, 75%, 85%) |
| CMYK | cmyk(74.7%, 12%, 0%, 14.9%) |
| CIE-LAB | lab(71.61, -27.18, -23.37) |
| CIE-LCH | lch(71.61, 35.85, 220.69°) |
| OKLab | oklab(74.45% -0.0979 -0.0652) |
| OKLCH | oklch(74.45% 0.118 213.6) |
| XYZ | xyz(32.7254, 43.0796, 72.2226) |
| Luminance | 0.4308 (WCAG relative) |
| Temperature | cool |
| Family | teal |
Closest named colors
Turquoise Blue
#06B1C4
ΔE00 5.01
Neon Blue
#04D9FF
ΔE00 6.92
Bright Sky Blue
#02CCFE
ΔE00 6.95
Aqua Blue
#02D8E9
ΔE00 7.43
Sky Blue
#87CEEB
ΔE00 8.42
Baby Blue
#89CFF0
ΔE00 9.39
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#37BFD9 #D95137
analogous
#37D9A2 #37BFD9 #376ED9
triadic
#37BFD9 #D937BF #BFD937
tetradic
#37BFD9 #A237D9 #D95137 #6ED937
square
#37BFD9 #A237D9 #D95137 #6ED937
split-complementary
#37BFD9 #D9376E #D9A237
monochromatic
#186D7E #229AB1 #37BFD9 #6ACFE3 #9EE0ED
Accessibility & contrast
On white
2.18
#37BFD9 on #FFFFFF
AA ✗AA large ✗AAA ✗
On black
9.62
#37BFD9 on #000000
AA ✓AA large ✓AAA ✓
Best text color
#000000 on #37BFD9
9.62:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##37BFD9 | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##37BFD9 | 1.00 | 2.18 | 9.62 | 9.62 |
| #FFFFFF | 2.18 | 1.00 | 21.00 | 21.00 |
| #000000 | 9.62 | 21.00 | 1.00 | 1.00 |
| ##000000 | 9.62 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#ACB9DB
Deuteranopia (green-blind)
#96A8D9
Tritanopia (blue-blind)
#00C9C7
Achromatopsia (no color)
#AFAFAF
Design tokens & code
CSS
--color: #37bfd9; /* rgb */ color: rgb(55, 191, 217); /* oklch */ color: oklch(74.5% 0.118 213.6);
Tailwind
colors: {
custom: {
50: '#86d2e4',
500: '#37bfd9',
950: '#000000',
},
}SCSS
$custom: #37bfd9; $custom-light: #86d2e4; $custom-dark: #000000;
JSON
{
"hex": "#37bfd9",
"rgb": {
"r": 55,
"g": 191,
"b": 217
},
"hsl": {
"h": 189.63,
"s": 68.067,
"l": 53.333
},
"oklch": {
"l": 0.74451,
"c": 0.11759,
"h": 213.6
},
"luminance": 0.43084
}Semantic roles & 50–950 ramp
primary
#37BFD9
secondary
#D99E93
accent
#593DEB
background
#F9FCFD
surface
#F1F9FB
border
#CBD2D4
text
#0D1415
muted
#7E8283