#5BB3DF#5BB3DF
#5BB3DF is a light, moderate cyan. Relative luminance 0.398; OKLCH L 73.0% C 0.106 H 232.5°. Best body text is #000000 at 8.96:1 contrast (WCAG AA passes).
Color values
| HEX | #5BB3DF |
|---|---|
| RGB | rgb(91, 179, 223) |
| HSL | hsl(200, 67%, 62%) |
| HSV | hsv(200, 59%, 87%) |
| CMYK | cmyk(59.2%, 19.7%, 0%, 12.5%) |
| CIE-LAB | lab(69.32, -13.69, -30.08) |
| CIE-LCH | lch(69.32, 33.05, 245.52°) |
| OKLab | oklab(72.97% -0.0644 -0.084) |
| OKLCH | oklch(72.97% 0.106 232.5) |
| XYZ | xyz(33.7487, 39.7888, 75.6992) |
| Luminance | 0.3979 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Deepskyblue
#00BFFF
ΔE00 5.17
Lightblue (survey)
#7BC8F6
ΔE00 6.15
Sky Blue (survey)
#75BBFD
ΔE00 7.25
Sky
#82CAFC
ΔE00 7.34
Bright Sky Blue
#02CCFE
ΔE00 7.68
Lightskyblue
#87CEFA
ΔE00 7.86
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#5BB3DF #DF875B
analogous
#5BDFC9 #5BB3DF #5B71DF
triadic
#5BB3DF #DF5BB3 #B3DF5B
tetradic
#5BB3DF #C95BDF #DF875B #71DF5B
square
#5BB3DF #C95BDF #DF875B #71DF5B
split-complementary
#5BB3DF #DF5B71 #DFC95B
monochromatic
#1F75A0 #299BD4 #5BB3DF #8ECBE9 #C1E2F3
Accessibility & contrast
On white
2.34
#5BB3DF on #FFFFFF
AA ✗AA large ✗AAA ✗
On black
8.96
#5BB3DF on #000000
AA ✓AA large ✓AAA ✓
Best text color
#000000 on #5BB3DF
8.96:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##5BB3DF | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##5BB3DF | 1.00 | 2.34 | 8.96 | 8.96 |
| #FFFFFF | 2.34 | 1.00 | 21.00 | 21.00 |
| #000000 | 8.96 | 21.00 | 1.00 | 1.00 |
| ##000000 | 8.96 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#9DB1E1
Deuteranopia (green-blind)
#8BA3DE
Tritanopia (blue-blind)
#00BFC2
Achromatopsia (no color)
#A9A9A9
Design tokens & code
CSS
--color: #5bb3df; /* rgb */ color: rgb(91, 179, 223); /* oklch */ color: oklch(73.0% 0.106 232.5);
Tailwind
colors: {
custom: {
50: '#94c9e9',
500: '#5bb3df',
950: '#000000',
},
}SCSS
$custom: #5bb3df; $custom-light: #94c9e9; $custom-dark: #000000;
JSON
{
"hex": "#5bb3df",
"rgb": {
"r": 91,
"g": 179,
"b": 223
},
"hsl": {
"h": 200,
"s": 67.347,
"l": 61.569
},
"oklch": {
"l": 0.72968,
"c": 0.10587,
"h": 232.5
},
"luminance": 0.39792
}Semantic roles & 50–950 ramp
primary
#5BB3DF
secondary
#E3C3B2
accent
#5416CF
background
#F9FCFE
surface
#F2F8FC
border
#CCD1D5
text
#0E1316
muted
#7E8284