#63E1FC#63E1FC
#63E1FC is a very light, moderate cyan. Relative luminance 0.635; OKLCH L 84.9% C 0.117 H 214.1°. Best body text is #000000 at 13.71:1 contrast (WCAG AA passes).
Color values
| HEX | #63E1FC |
|---|---|
| RGB | rgb(99, 225, 252) |
| HSL | hsl(191, 96%, 69%) |
| HSV | hsv(191, 61%, 99%) |
| CMYK | cmyk(60.7%, 10.7%, 0%, 1.2%) |
| CIE-LAB | lab(83.72, -27.18, -23.59) |
| CIE-LCH | lch(83.72, 35.99, 220.95°) |
| OKLab | oklab(84.9% -0.0967 -0.0655) |
| OKLCH | oklch(84.9% 0.117 214.1) |
| XYZ | xyz(49.6343, 63.5262, 101.7226) |
| Luminance | 0.6353 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Neon Blue
#04D9FF
ΔE00 3.94
Robin'S Egg
#6DEDFD
ΔE00 4.44
Robin Egg Blue
#8AF1FE
ΔE00 5.69
Aqua Blue
#02D8E9
ΔE00 6.07
Robin'S Egg Blue
#98EFF9
ΔE00 6.61
Sky Blue
#87CEEB
ΔE00 7.04
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#63E1FC #FC7E63
analogous
#63FCCB #63E1FC #6395FC
triadic
#63E1FC #FC63E1 #E1FC63
tetradic
#63E1FC #CB63FC #FC7E63 #95FC63
square
#63E1FC #CB63FC #FC7E63 #95FC63
split-complementary
#63E1FC #FC6395 #FCCB63
monochromatic
#04B9E0 #27D5FB #63E1FC #9FEDFD #DBF8FE
Accessibility & contrast
On white
1.53
#63E1FC on #FFFFFF
AA ✗AA large ✗AAA ✗
On black
13.71
#63E1FC on #000000
AA ✓AA large ✓AAA ✓
Best text color
#000000 on #63E1FC
13.71:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##63E1FC | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##63E1FC | 1.00 | 1.53 | 13.71 | 13.71 |
| #FFFFFF | 1.53 | 1.00 | 21.00 | 21.00 |
| #000000 | 13.71 | 21.00 | 1.00 | 1.00 |
| ##000000 | 13.71 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#CDDAFE
Deuteranopia (green-blind)
#B7CAFC
Tritanopia (blue-blind)
#00EBE9
Achromatopsia (no color)
#D1D1D1
Design tokens & code
CSS
--color: #63e1fc; /* rgb */ color: rgb(99, 225, 252); /* oklch */ color: oklch(84.9% 0.117 214.1);
Tailwind
colors: {
custom: {
50: '#9eeafd',
500: '#63e1fc',
950: '#000000',
},
}SCSS
$custom: #63e1fc; $custom-light: #9eeafd; $custom-dark: #000000;
JSON
{
"hex": "#63e1fc",
"rgb": {
"r": 99,
"g": 225,
"b": 252
},
"hsl": {
"h": 190.588,
"s": 96.226,
"l": 68.824
},
"oklch": {
"l": 0.84896,
"c": 0.11676,
"h": 214.1
},
"luminance": 0.63531
}Semantic roles & 50–950 ramp
primary
#63E1FC
secondary
#D64B2D
accent
#2800E6
background
#FCFEFF
surface
#F6FDFF
border
#D0D5D7
text
#101617
muted
#808485