#37ABC6#37ABC6
#37ABC6 is a light, moderate cyan. Relative luminance 0.340; OKLCH L 68.9% C 0.107 H 216.8°. Best body text is #000000 at 7.80:1 contrast (WCAG AA passes).
Color values
| HEX | #37ABC6 |
|---|---|
| RGB | rgb(55, 171, 198) |
| HSL | hsl(191, 57%, 50%) |
| HSV | hsv(191, 72%, 78%) |
| CMYK | cmyk(72.2%, 13.6%, 0%, 22.4%) |
| CIE-LAB | lab(64.97, -23.09, -23.07) |
| CIE-LCH | lch(64.97, 32.64, 224.98°) |
| OKLab | oklab(68.88% -0.0859 -0.0643) |
| OKLCH | oklch(68.88% 0.107 216.8) |
| XYZ | xyz(26.3272, 34.0122, 58.5926) |
| Luminance | 0.3402 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Turquoise Blue
#06B1C4
ΔE00 4.35
Greyblue
#77A1B5
ΔE00 8.61
Cadetblue
#5F9EA0
ΔE00 9.50
Bright Sky Blue
#02CCFE
ΔE00 10.25
Deepskyblue
#00BFFF
ΔE00 10.67
Bluegrey
#85A3B2
ΔE00 11.06
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#37ABC6 #C65237
analogous
#37C69A #37ABC6 #3763C6
triadic
#37ABC6 #C637AB #ABC637
tetradic
#37ABC6 #9A37C6 #C65237 #63C637
square
#37ABC6 #9A37C6 #C65237 #63C637
split-complementary
#37ABC6 #C63763 #C69A37
monochromatic
#1C5866 #2A8296 #37ABC6 #66C0D4 #96D3E2
Accessibility & contrast
On white
2.69
#37ABC6 on #FFFFFF
AA ✗AA large ✗AAA ✗
On black
7.80
#37ABC6 on #000000
AA ✓AA large ✓AAA ✓
Best text color
#000000 on #37ABC6
7.80:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##37ABC6 | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##37ABC6 | 1.00 | 2.69 | 7.80 | 7.80 |
| #FFFFFF | 2.69 | 1.00 | 21.00 | 21.00 |
| #000000 | 7.80 | 21.00 | 1.00 | 1.00 |
| ##000000 | 7.80 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#99A6C7
Deuteranopia (green-blind)
#8597C6
Tritanopia (blue-blind)
#00B5B3
Achromatopsia (no color)
#9E9E9E
Design tokens & code
CSS
--color: #37abc6; /* rgb */ color: rgb(55, 171, 198); /* oklch */ color: oklch(68.9% 0.107 216.8);
Tailwind
colors: {
custom: {
50: '#82c4d7',
500: '#37abc6',
950: '#000000',
},
}SCSS
$custom: #37abc6; $custom-light: #82c4d7; $custom-dark: #000000;
JSON
{
"hex": "#37abc6",
"rgb": {
"r": 55,
"g": 171,
"b": 198
},
"hsl": {
"h": 191.329,
"s": 56.522,
"l": 49.608
},
"oklch": {
"l": 0.68882,
"c": 0.10736,
"h": 216.8
},
"luminance": 0.34015
}Semantic roles & 50–950 ramp
primary
#37ABC6
secondary
#CD988C
accent
#6548E0
background
#F8FCFD
surface
#F0F8FA
border
#CBD1D3
text
#0C1214
muted
#7D8183