#4FB5DD#4FB5DD
#4FB5DD is a light, moderate cyan. Relative luminance 0.399; OKLCH L 72.9% C 0.110 H 227.1°. Best body text is #000000 at 8.99:1 contrast (WCAG AA passes).
Color values
| HEX | #4FB5DD |
|---|---|
| RGB | rgb(79, 181, 221) |
| HSL | hsl(197, 68%, 59%) |
| HSV | hsv(197, 64%, 87%) |
| CMYK | cmyk(64.3%, 18.1%, 0%, 13.3%) |
| CIE-LAB | lab(69.42, -17.49, -28.86) |
| CIE-LCH | lch(69.42, 33.75, 238.79°) |
| OKLab | oklab(72.91% -0.0748 -0.0806) |
| OKLCH | oklch(72.91% 0.11 227.1) |
| XYZ | xyz(32.7943, 39.9270, 74.3710) |
| Luminance | 0.3993 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Deepskyblue
#00BFFF
ΔE00 5.43
Bright Sky Blue
#02CCFE
ΔE00 6.47
Lightblue (survey)
#7BC8F6
ΔE00 6.96
Sky Blue
#87CEEB
ΔE00 7.98
Baby Blue
#89CFF0
ΔE00 8.15
Sky
#82CAFC
ΔE00 8.45
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#4FB5DD #DD774F
analogous
#4FDDBE #4FB5DD #4F6EDD
triadic
#4FB5DD #DD4FB5 #B5DD4F
tetradic
#4FB5DD #BE4FDD #DD774F #6EDD4F
square
#4FB5DD #BE4FDD #DD774F #6EDD4F
split-complementary
#4FB5DD #DD4F6E #DDBE4F
monochromatic
#1D7395 #279BC8 #4FB5DD #82CBE7 #B6E0F1
Accessibility & contrast
On white
2.34
#4FB5DD on #FFFFFF
AA ✗AA large ✗AAA ✗
On black
8.99
#4FB5DD on #000000
AA ✓AA large ✓AAA ✓
Best text color
#000000 on #4FB5DD
8.99:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##4FB5DD | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##4FB5DD | 1.00 | 2.34 | 8.99 | 8.99 |
| #FFFFFF | 2.34 | 1.00 | 21.00 | 21.00 |
| #000000 | 8.99 | 21.00 | 1.00 | 1.00 |
| ##000000 | 8.99 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#A0B2DF
Deuteranopia (green-blind)
#8CA3DD
Tritanopia (blue-blind)
#00C1C2
Achromatopsia (no color)
#A9A9A9
Design tokens & code
CSS
--color: #4fb5dd; /* rgb */ color: rgb(79, 181, 221); /* oklch */ color: oklch(72.9% 0.110 227.1);
Tailwind
colors: {
custom: {
50: '#8fcbe7',
500: '#4fb5dd',
950: '#000000',
},
}SCSS
$custom: #4fb5dd; $custom-light: #8fcbe7; $custom-dark: #000000;
JSON
{
"hex": "#4fb5dd",
"rgb": {
"r": 79,
"g": 181,
"b": 221
},
"hsl": {
"h": 196.901,
"s": 67.619,
"l": 58.824
},
"oklch": {
"l": 0.7291,
"c": 0.11002,
"h": 227.1
},
"luminance": 0.3993
}Semantic roles & 50–950 ramp
primary
#4FB5DD
secondary
#E0B8A8
accent
#6E3DEA
background
#F9FCFE
surface
#F2F8FC
border
#CCD1D5
text
#0E1316
muted
#7E8284