#5BB3DE#5BB3DE
#5BB3DE is a light, moderate cyan. Relative luminance 0.397; OKLCH L 72.9% C 0.105 H 231.9°. Best body text is #000000 at 8.95:1 contrast (WCAG AA passes).
Color values
| HEX | #5BB3DE |
|---|---|
| RGB | rgb(91, 179, 222) |
| HSL | hsl(200, 66%, 61%) |
| HSV | hsv(200, 59%, 87%) |
| CMYK | cmyk(59%, 19.4%, 0%, 12.9%) |
| CIE-LAB | lab(69.28, -14.00, -29.59) |
| CIE-LCH | lch(69.28, 32.73, 244.68°) |
| OKLab | oklab(72.93% -0.0648 -0.0826) |
| OKLCH | oklch(72.93% 0.105 231.9) |
| XYZ | xyz(33.6142, 39.7351, 74.9913) |
| Luminance | 0.3974 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Deepskyblue
#00BFFF
ΔE00 5.27
Lightblue (survey)
#7BC8F6
ΔE00 6.23
Sky
#82CAFC
ΔE00 7.46
Sky Blue (survey)
#75BBFD
ΔE00 7.50
Bright Sky Blue
#02CCFE
ΔE00 7.60
Lightskyblue
#87CEFA
ΔE00 7.92
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#5BB3DE #DE865B
analogous
#5BDEC8 #5BB3DE #5B72DE
triadic
#5BB3DE #DE5BB3 #B3DE5B
tetradic
#5BB3DE #C85BDE #DE865B #72DE5B
square
#5BB3DE #C85BDE #DE865B #72DE5B
split-complementary
#5BB3DE #DE5B72 #DEC85B
monochromatic
#20759F #2A9BD2 #5BB3DE #8ECBE8 #C1E2F3
Accessibility & contrast
On white
2.35
#5BB3DE on #FFFFFF
AA ✗AA large ✗AAA ✗
On black
8.95
#5BB3DE on #000000
AA ✓AA large ✓AAA ✓
Best text color
#000000 on #5BB3DE
8.95:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##5BB3DE | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##5BB3DE | 1.00 | 2.35 | 8.95 | 8.95 |
| #FFFFFF | 2.35 | 1.00 | 21.00 | 21.00 |
| #000000 | 8.95 | 21.00 | 1.00 | 1.00 |
| ##000000 | 8.95 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#9EB1E0
Deuteranopia (green-blind)
#8BA3DD
Tritanopia (blue-blind)
#00BFC1
Achromatopsia (no color)
#A9A9A9
Design tokens & code
CSS
--color: #5bb3de; /* rgb */ color: rgb(91, 179, 222); /* oklch */ color: oklch(72.9% 0.105 231.9);
Tailwind
colors: {
custom: {
50: '#94c9e8',
500: '#5bb3de',
950: '#000000',
},
}SCSS
$custom: #5bb3de; $custom-light: #94c9e8; $custom-dark: #000000;
JSON
{
"hex": "#5bb3de",
"rgb": {
"r": 91,
"g": 179,
"b": 222
},
"hsl": {
"h": 199.695,
"s": 66.497,
"l": 61.373
},
"oklch": {
"l": 0.72925,
"c": 0.10498,
"h": 231.9
},
"luminance": 0.39738
}Semantic roles & 50–950 ramp
primary
#5BB3DE
secondary
#E3C2B2
accent
#5317CE
background
#F9FCFE
surface
#F2F8FC
border
#CCD1D5
text
#0E1316
muted
#7E8284