#5BB5ED#5BB5ED
#5BB5ED is a light, moderate cyan. Relative luminance 0.414; OKLCH L 74.0% C 0.118 H 238.5°. Best body text is #000000 at 9.28:1 contrast (WCAG AA passes).
Color values
| HEX | #5BB5ED |
|---|---|
| RGB | rgb(91, 181, 237) |
| HSL | hsl(203, 80%, 64%) |
| HSV | hsv(203, 62%, 93%) |
| CMYK | cmyk(61.6%, 23.6%, 0%, 7.1%) |
| CIE-LAB | lab(70.44, -10.44, -35.97) |
| CIE-LCH | lch(70.44, 37.45, 253.81°) |
| OKLab | oklab(74.05% -0.0618 -0.1009) |
| OKLCH | oklch(74.05% 0.118 238.5) |
| XYZ | xyz(36.1185, 41.3828, 86.1886) |
| Luminance | 0.4139 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Sky Blue (survey)
#75BBFD
ΔE00 4.76
Deepskyblue
#00BFFF
ΔE00 4.86
Lightblue (survey)
#7BC8F6
ΔE00 5.55
Sky
#82CAFC
ΔE00 6.15
Lightskyblue
#87CEFA
ΔE00 7.25
Light Blue
#95D0FC
ΔE00 8.46
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#5BB5ED #ED935B
analogous
#5BEDDC #5BB5ED #5B6CED
triadic
#5BB5ED #ED5BB5 #B5ED5B
tetradic
#5BB5ED #DC5BED #ED935B #6CED5B
square
#5BB5ED #DC5BED #ED935B #6CED5B
split-complementary
#5BB5ED #ED5B6C #EDDC5B
monochromatic
#147AB9 #249CE7 #5BB5ED #92CEF3 #C9E7F9
Accessibility & contrast
On white
2.26
#5BB5ED on #FFFFFF
AA ✗AA large ✗AAA ✗
On black
9.28
#5BB5ED on #000000
AA ✓AA large ✓AAA ✓
Best text color
#000000 on #5BB5ED
9.28:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##5BB5ED | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##5BB5ED | 1.00 | 2.26 | 9.28 | 9.28 |
| #FFFFFF | 2.26 | 1.00 | 21.00 | 21.00 |
| #000000 | 9.28 | 21.00 | 1.00 | 1.00 |
| ##000000 | 9.28 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#9BB5F0
Deuteranopia (green-blind)
#87A6EC
Tritanopia (blue-blind)
#00C3C8
Achromatopsia (no color)
#ACACAC
Design tokens & code
CSS
--color: #5bb5ed; /* rgb */ color: rgb(91, 181, 237); /* oklch */ color: oklch(74.0% 0.118 238.5);
Tailwind
colors: {
custom: {
50: '#96cbf3',
500: '#5bb5ed',
950: '#000000',
},
}SCSS
$custom: #5bb5ed; $custom-light: #96cbf3; $custom-dark: #000000;
JSON
{
"hex": "#5bb5ed",
"rgb": {
"r": 91,
"g": 181,
"b": 237
},
"hsl": {
"h": 203.014,
"s": 80.22,
"l": 64.314
},
"oklch": {
"l": 0.74045,
"c": 0.11832,
"h": 238.5
},
"luminance": 0.41386
}Semantic roles & 50–950 ramp
primary
#5BB5ED
secondary
#EBCCB9
accent
#5A09DD
background
#F9FCFE
surface
#F2F8FD
border
#CCD1D5
text
#0E1317
muted
#7E8285