#5BB9ED#5BB9ED
#5BB9ED is a light, moderate cyan. Relative luminance 0.430; OKLCH L 74.9% C 0.116 H 235.5°. Best body text is #000000 at 9.61:1 contrast (WCAG AA passes).
Color values
| HEX | #5BB9ED |
|---|---|
| RGB | rgb(91, 185, 237) |
| HSL | hsl(201, 80%, 64%) |
| HSV | hsv(201, 62%, 93%) |
| CMYK | cmyk(61.6%, 21.9%, 0%, 7.1%) |
| CIE-LAB | lab(71.58, -12.59, -34.21) |
| CIE-LCH | lch(71.58, 36.45, 249.79°) |
| OKLab | oklab(74.94% -0.0659 -0.0958) |
| OKLCH | oklch(74.94% 0.116 235.5) |
| XYZ | xyz(36.9435, 43.0328, 86.4636) |
| Luminance | 0.4304 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Deepskyblue
#00BFFF
ΔE00 3.83
Lightblue (survey)
#7BC8F6
ΔE00 4.56
Sky
#82CAFC
ΔE00 5.54
Sky Blue (survey)
#75BBFD
ΔE00 5.62
Lightskyblue
#87CEFA
ΔE00 6.35
Bright Sky Blue
#02CCFE
ΔE00 7.12
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#5BB9ED #ED8F5B
analogous
#5BEDD8 #5BB9ED #5B70ED
triadic
#5BB9ED #ED5BB9 #B9ED5B
tetradic
#5BB9ED #D85BED #ED8F5B #70ED5B
square
#5BB9ED #D85BED #ED8F5B #70ED5B
split-complementary
#5BB9ED #ED5B70 #EDD85B
monochromatic
#147FB9 #24A1E7 #5BB9ED #92D1F3 #C9E8F9
Accessibility & contrast
On white
2.19
#5BB9ED on #FFFFFF
AA ✗AA large ✗AAA ✗
On black
9.61
#5BB9ED on #000000
AA ✓AA large ✓AAA ✓
Best text color
#000000 on #5BB9ED
9.61:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##5BB9ED | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##5BB9ED | 1.00 | 2.19 | 9.61 | 9.61 |
| #FFFFFF | 2.19 | 1.00 | 21.00 | 21.00 |
| #000000 | 9.61 | 21.00 | 1.00 | 1.00 |
| ##000000 | 9.61 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#A0B8EF
Deuteranopia (green-blind)
#8CA9EC
Tritanopia (blue-blind)
#00C7CA
Achromatopsia (no color)
#AFAFAF
Design tokens & code
CSS
--color: #5bb9ed; /* rgb */ color: rgb(91, 185, 237); /* oklch */ color: oklch(74.9% 0.116 235.5);
Tailwind
colors: {
custom: {
50: '#96cef3',
500: '#5bb9ed',
950: '#000000',
},
}SCSS
$custom: #5bb9ed; $custom-light: #96cef3; $custom-dark: #000000;
JSON
{
"hex": "#5bb9ed",
"rgb": {
"r": 91,
"g": 185,
"b": 237
},
"hsl": {
"h": 201.37,
"s": 80.22,
"l": 64.314
},
"oklch": {
"l": 0.74945,
"c": 0.11632,
"h": 235.5
},
"luminance": 0.43036
}Semantic roles & 50–950 ramp
primary
#5BB9ED
secondary
#EBCBB9
accent
#5409DD
background
#F9FCFE
surface
#F2F9FD
border
#CCD2D5
text
#0F1317
muted
#7E8285