#55BBD1#55BBD1
#55BBD1 is a light, moderate cyan. Relative luminance 0.421; OKLCH L 74.0% C 0.099 H 214.0°. Best body text is #000000 at 9.41:1 contrast (WCAG AA passes).
Color values
| HEX | #55BBD1 |
|---|---|
| RGB | rgb(85, 187, 209) |
| HSL | hsl(191, 57%, 58%) |
| HSV | hsv(191, 59%, 82%) |
| CMYK | cmyk(59.3%, 10.5%, 0%, 18%) |
| CIE-LAB | lab(70.92, -23.16, -19.99) |
| CIE-LCH | lch(70.92, 30.59, 220.79°) |
| OKLab | oklab(74.02% -0.0821 -0.0554) |
| OKLCH | oklch(74.02% 0.099 214) |
| XYZ | xyz(33.0206, 42.0721, 66.6898) |
| Luminance | 0.4208 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Turquoise Blue
#06B1C4
ΔE00 5.13
Sky Blue
#87CEEB
ΔE00 7.85
Bright Sky Blue
#02CCFE
ΔE00 8.05
Neon Blue
#04D9FF
ΔE00 8.37
Aqua Blue
#02D8E9
ΔE00 8.65
Baby Blue
#89CFF0
ΔE00 8.91
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#55BBD1 #D16B55
analogous
#55D1A9 #55BBD1 #557DD1
triadic
#55BBD1 #D155BB #BBD155
tetradic
#55BBD1 #A955D1 #D16B55 #7DD155
square
#55BBD1 #A955D1 #D16B55 #7DD155
split-complementary
#55BBD1 #D1557D #D1A955
monochromatic
#257687 #32A0B7 #55BBD1 #85CEDE #B5E2EB
Accessibility & contrast
On white
2.23
#55BBD1 on #FFFFFF
AA ✗AA large ✗AAA ✗
On black
9.41
#55BBD1 on #000000
AA ✓AA large ✓AAA ✓
Best text color
#000000 on #55BBD1
9.41:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##55BBD1 | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##55BBD1 | 1.00 | 2.23 | 9.41 | 9.41 |
| #FFFFFF | 2.23 | 1.00 | 21.00 | 21.00 |
| #000000 | 9.41 | 21.00 | 1.00 | 1.00 |
| ##000000 | 9.41 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#ABB5D2
Deuteranopia (green-blind)
#98A8D1
Tritanopia (blue-blind)
#00C4C2
Achromatopsia (no color)
#AEAEAE
Design tokens & code
CSS
--color: #55bbd1; /* rgb */ color: rgb(85, 187, 209); /* oklch */ color: oklch(74.0% 0.099 214.0);
Tailwind
colors: {
custom: {
50: '#90cfdf',
500: '#55bbd1',
950: '#000000',
},
}SCSS
$custom: #55bbd1; $custom-light: #90cfdf; $custom-dark: #000000;
JSON
{
"hex": "#55bbd1",
"rgb": {
"r": 85,
"g": 187,
"b": 209
},
"hsl": {
"h": 190.645,
"s": 57.407,
"l": 57.647
},
"oklch": {
"l": 0.74023,
"c": 0.09904,
"h": 214
},
"luminance": 0.42075
}Semantic roles & 50–950 ramp
primary
#55BBD1
secondary
#DAB1A8
accent
#6247E1
background
#F9FCFD
surface
#F2F9FB
border
#CCD2D4
text
#0E1415
muted
#7E8283