#63ACF6#63ACF6
#63ACF6 is a light, vivid cyan. Relative luminance 0.388; OKLCH L 72.8% C 0.131 H 250.4°. Best body text is #000000 at 8.76:1 contrast (WCAG AA passes).
Color values
| HEX | #63ACF6 |
|---|---|
| RGB | rgb(99, 172, 246) |
| HSL | hsl(210, 89%, 68%) |
| HSV | hsv(210, 60%, 96%) |
| CMYK | cmyk(59.8%, 30.1%, 0%, 3.5%) |
| CIE-LAB | lab(68.61, -1.19, -43.70) |
| CIE-LCH | lch(68.61, 43.71, 268.44°) |
| OKLab | oklab(72.81% -0.044 -0.1232) |
| OKLCH | oklch(72.81% 0.131 250.4) |
| XYZ | xyz(36.5266, 38.8082, 92.7367) |
| Luminance | 0.3881 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Sky Blue (survey)
#75BBFD
ΔE00 4.13
Carolina Blue
#8AB8FE
ΔE00 5.95
Azure (survey)
#069AF3
ΔE00 6.75
Cornflowerblue
#6495ED
ΔE00 7.72
Dodgerblue
#1E90FF
ΔE00 8.37
Sky
#82CAFC
ΔE00 8.66
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#63ACF6 #F6AD63
analogous
#63F6F6 #63ACF6 #6363F6
triadic
#63ACF6 #F663AC #ACF663
tetradic
#63ACF6 #F663F6 #F6AD63 #63F663
square
#63ACF6 #F663F6 #F6AD63 #63F663
split-complementary
#63ACF6 #F66363 #F6F663
monochromatic
#0C6FD2 #298DF3 #63ACF6 #9DCBF9 #D7EAFD
Accessibility & contrast
On white
2.40
#63ACF6 on #FFFFFF
AA ✗AA large ✗AAA ✗
On black
8.76
#63ACF6 on #000000
AA ✓AA large ✓AAA ✓
Best text color
#000000 on #63ACF6
8.76:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##63ACF6 | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##63ACF6 | 1.00 | 2.40 | 8.76 | 8.76 |
| #FFFFFF | 2.40 | 1.00 | 21.00 | 21.00 |
| #000000 | 8.76 | 21.00 | 1.00 | 1.00 |
| ##000000 | 8.76 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#8DAFF9
Deuteranopia (green-blind)
#79A1F5
Tritanopia (blue-blind)
#00BDC6
Achromatopsia (no color)
#A7A7A7
Design tokens & code
CSS
--color: #63acf6; /* rgb */ color: rgb(99, 172, 246); /* oklch */ color: oklch(72.8% 0.131 250.4);
Tailwind
colors: {
custom: {
50: '#9bc4f9',
500: '#63acf6',
950: '#000000',
},
}SCSS
$custom: #63acf6; $custom-light: #9bc4f9; $custom-dark: #000000;
JSON
{
"hex": "#63acf6",
"rgb": {
"r": 99,
"g": 172,
"b": 246
},
"hsl": {
"h": 210.204,
"s": 89.091,
"l": 67.647
},
"oklch": {
"l": 0.7281,
"c": 0.13086,
"h": 250.4
},
"luminance": 0.38812
}Semantic roles & 50–950 ramp
primary
#63ACF6
secondary
#F1DBC4
accent
#7400E6
background
#FAFCFF
surface
#F4F8FF
border
#CED1D7
text
#0F1217
muted
#7F8185