#5B9BE4#5B9BE4
#5B9BE4 is a light, vivid cyan. Relative luminance 0.313; OKLCH L 67.8% C 0.127 H 252.9°. Best body text is #000000 at 7.25:1 contrast (WCAG AA passes).
Color values
| HEX | #5B9BE4 |
|---|---|
| RGB | rgb(91, 155, 228) |
| HSL | hsl(212, 72%, 63%) |
| HSV | hsv(212, 60%, 89%) |
| CMYK | cmyk(60.1%, 32%, 0%, 10.6%) |
| CIE-LAB | lab(62.73, 1.20, -43.09) |
| CIE-LCH | lch(62.73, 43.10, 271.60°) |
| OKLab | oklab(67.84% -0.0373 -0.1217) |
| OKLCH | oklch(67.84% 0.127 252.9) |
| XYZ | xyz(30.0343, 31.2655, 77.8358) |
| Luminance | 0.3127 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Cornflowerblue
#6495ED
ΔE00 3.67
Dark Sky Blue
#448EE4
ΔE00 4.15
Dodgerblue
#1E90FF
ΔE00 4.31
Azure (survey)
#069AF3
ΔE00 5.01
Faded Blue
#658CBB
ΔE00 6.62
Soft Blue
#6488EA
ΔE00 7.64
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#5B9BE4 #E4A45B
analogous
#5BDFE4 #5B9BE4 #605BE4
triadic
#5B9BE4 #E45B9B #9BE45B
tetradic
#5B9BE4 #E45BDF #E4A45B #5BE460
square
#5B9BE4 #E45BDF #E4A45B #5BE460
split-complementary
#5B9BE4 #E4605B #DFE45B
monochromatic
#1C5EA9 #267BDB #5B9BE4 #90BBED #C4DBF5
Accessibility & contrast
On white
2.90
#5B9BE4 on #FFFFFF
AA ✗AA large ✗AAA ✗
On black
7.25
#5B9BE4 on #000000
AA ✓AA large ✓AAA ✓
Best text color
#000000 on #5B9BE4
7.25:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##5B9BE4 | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##5B9BE4 | 1.00 | 2.90 | 7.25 | 7.25 |
| #FFFFFF | 2.90 | 1.00 | 21.00 | 21.00 |
| #000000 | 7.25 | 21.00 | 1.00 | 1.00 |
| ##000000 | 7.25 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#7C9FE7
Deuteranopia (green-blind)
#6A92E3
Tritanopia (blue-blind)
#00ACB5
Achromatopsia (no color)
#989898
Design tokens & code
CSS
--color: #5b9be4; /* rgb */ color: rgb(91, 155, 228); /* oklch */ color: oklch(67.8% 0.127 252.9);
Tailwind
colors: {
custom: {
50: '#94b8ed',
500: '#5b9be4',
950: '#000000',
},
}SCSS
$custom: #5b9be4; $custom-light: #94b8ed; $custom-dark: #000000;
JSON
{
"hex": "#5b9be4",
"rgb": {
"r": 91,
"g": 155,
"b": 228
},
"hsl": {
"h": 211.971,
"s": 71.728,
"l": 62.549
},
"oklch": {
"l": 0.67836,
"c": 0.1273,
"h": 252.9
},
"luminance": 0.31268
}Semantic roles & 50–950 ramp
primary
#5B9BE4
secondary
#E6CFB4
accent
#7912D4
background
#F9FBFE
surface
#F2F6FD
border
#CCD0D5
text
#0E1116
muted
#7E8084