#4FC3F0#4FC3F0
#4FC3F0 is a light, vivid cyan. Relative luminance 0.470; OKLCH L 77.0% C 0.121 H 227.4°. Best body text is #000000 at 10.40:1 contrast (WCAG AA passes).
Color values
| HEX | #4FC3F0 |
|---|---|
| RGB | rgb(79, 195, 240) |
| HSL | hsl(197, 84%, 63%) |
| HSV | hsv(197, 67%, 94%) |
| CMYK | cmyk(67.1%, 18.8%, 0%, 5.9%) |
| CIE-LAB | lab(74.18, -18.87, -31.85) |
| CIE-LCH | lch(74.18, 37.01, 239.36°) |
| OKLab | oklab(76.95% -0.0821 -0.0891) |
| OKLCH | oklch(76.95% 0.121 227.4) |
| XYZ | xyz(38.4614, 46.9795, 89.4621) |
| Luminance | 0.4698 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Bright Sky Blue
#02CCFE
ΔE00 3.25
Deepskyblue
#00BFFF
ΔE00 4.08
Lightblue (survey)
#7BC8F6
ΔE00 4.79
Baby Blue
#89CFF0
ΔE00 5.80
Sky Blue
#87CEEB
ΔE00 5.89
Lightskyblue
#87CEFA
ΔE00 6.12
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#4FC3F0 #F07C4F
analogous
#4FF0CC #4FC3F0 #4F73F0
triadic
#4FC3F0 #F04FC3 #C3F04F
tetradic
#4FC3F0 #CC4FF0 #F07C4F #73F04F
square
#4FC3F0 #CC4FF0 #F07C4F #73F04F
split-complementary
#4FC3F0 #F04F73 #F0CC4F
monochromatic
#0F87B5 #17B0EB #4FC3F0 #87D6F5 #C0E9FA
Accessibility & contrast
On white
2.02
#4FC3F0 on #FFFFFF
AA ✗AA large ✗AAA ✗
On black
10.40
#4FC3F0 on #000000
AA ✓AA large ✓AAA ✓
Best text color
#000000 on #4FC3F0
10.40:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##4FC3F0 | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##4FC3F0 | 1.00 | 2.02 | 10.40 | 10.40 |
| #FFFFFF | 2.02 | 1.00 | 21.00 | 21.00 |
| #000000 | 10.40 | 21.00 | 1.00 | 1.00 |
| ##000000 | 10.40 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#ABC0F2
Deuteranopia (green-blind)
#95AFEF
Tritanopia (blue-blind)
#00D0D2
Achromatopsia (no color)
#B6B6B6
Design tokens & code
CSS
--color: #4fc3f0; /* rgb */ color: rgb(79, 195, 240); /* oklch */ color: oklch(77.0% 0.121 227.4);
Tailwind
colors: {
custom: {
50: '#92d5f5',
500: '#4fc3f0',
950: '#000000',
},
}SCSS
$custom: #4fc3f0; $custom-light: #92d5f5; $custom-dark: #000000;
JSON
{
"hex": "#4fc3f0",
"rgb": {
"r": 79,
"g": 195,
"b": 240
},
"hsl": {
"h": 196.77,
"s": 84.293,
"l": 62.549
},
"oklch": {
"l": 0.7695,
"c": 0.12115,
"h": 227.4
},
"luminance": 0.46984
}Semantic roles & 50–950 ramp
primary
#4FC3F0
secondary
#EBC0B0
accent
#4205E1
background
#F9FDFE
surface
#F2FAFD
border
#CCD3D5
text
#0E1417
muted
#7E8385