#37B2CE#37B2CE
#37B2CE is a light, moderate cyan. Relative luminance 0.371; OKLCH L 70.9% C 0.112 H 216.6°. Best body text is #000000 at 8.42:1 contrast (WCAG AA passes).
Color values
| HEX | #37B2CE |
|---|---|
| RGB | rgb(55, 178, 206) |
| HSL | hsl(191, 61%, 51%) |
| HSV | hsv(191, 73%, 81%) |
| CMYK | cmyk(73.3%, 13.6%, 0%, 19.2%) |
| CIE-LAB | lab(67.36, -24.12, -23.85) |
| CIE-LCH | lch(67.36, 33.92, 224.67°) |
| OKLab | oklab(70.9% -0.0897 -0.0665) |
| OKLCH | oklch(70.9% 0.112 216.6) |
| XYZ | xyz(28.6318, 37.1059, 64.0337) |
| Luminance | 0.3711 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Turquoise Blue
#06B1C4
ΔE00 4.14
Bright Sky Blue
#02CCFE
ΔE00 8.52
Greyblue
#77A1B5
ΔE00 9.45
Deepskyblue
#00BFFF
ΔE00 9.68
Neon Blue
#04D9FF
ΔE00 10.07
Sky Blue
#87CEEB
ΔE00 10.09
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#37B2CE #CE5337
analogous
#37CE9E #37B2CE #3766CE
triadic
#37B2CE #CE37B2 #B2CE37
tetradic
#37B2CE #9E37CE #CE5337 #66CE37
square
#37B2CE #9E37CE #CE5337 #66CE37
split-complementary
#37B2CE #CE3766 #CE9E37
monochromatic
#1B606F #278AA0 #37B2CE #68C5DA #99D8E6
Accessibility & contrast
On white
2.49
#37B2CE on #FFFFFF
AA ✗AA large ✗AAA ✗
On black
8.42
#37B2CE on #000000
AA ✓AA large ✓AAA ✓
Best text color
#000000 on #37B2CE
8.42:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##37B2CE | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##37B2CE | 1.00 | 2.49 | 8.42 | 8.42 |
| #FFFFFF | 2.49 | 1.00 | 21.00 | 21.00 |
| #000000 | 8.42 | 21.00 | 1.00 | 1.00 |
| ##000000 | 8.42 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#9FADD0
Deuteranopia (green-blind)
#8B9DCE
Tritanopia (blue-blind)
#00BCBB
Achromatopsia (no color)
#A4A4A4
Design tokens & code
CSS
--color: #37b2ce; /* rgb */ color: rgb(55, 178, 206); /* oklch */ color: oklch(70.9% 0.112 216.6);
Tailwind
colors: {
custom: {
50: '#83c9dd',
500: '#37b2ce',
950: '#000000',
},
}SCSS
$custom: #37b2ce; $custom-light: #83c9dd; $custom-dark: #000000;
JSON
{
"hex": "#37b2ce",
"rgb": {
"r": 55,
"g": 178,
"b": 206
},
"hsl": {
"h": 191.126,
"s": 60.643,
"l": 51.176
},
"oklch": {
"l": 0.70896,
"c": 0.11166,
"h": 216.6
},
"luminance": 0.37109
}Semantic roles & 50–950 ramp
primary
#37B2CE
secondary
#D29B8F
accent
#6244E4
background
#F8FCFD
surface
#F0F8FB
border
#CBD1D4
text
#0C1315
muted
#7D8283