#63A3D7#63A3D7
#63A3D7 is a light, moderate cyan. Relative luminance 0.338; OKLCH L 69.3% C 0.101 H 244.5°. Best body text is #000000 at 7.75:1 contrast (WCAG AA passes).
Color values
| HEX | #63A3D7 |
|---|---|
| RGB | rgb(99, 163, 215) |
| HSL | hsl(207, 59%, 62%) |
| HSV | hsv(207, 54%, 84%) |
| CMYK | cmyk(54%, 24.2%, 0%, 15.7%) |
| CIE-LAB | lab(64.76, -5.79, -32.69) |
| CIE-LCH | lch(64.76, 33.20, 259.95°) |
| OKLab | oklab(69.34% -0.0436 -0.0915) |
| OKLCH | oklch(69.34% 0.101 244.5) |
| XYZ | xyz(30.5041, 33.7508, 69.1839) |
| Luminance | 0.3375 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Azure (survey)
#069AF3
ΔE00 5.54
Cornflowerblue
#6495ED
ΔE00 6.67
Dark Sky Blue
#448EE4
ΔE00 7.17
Sky Blue (survey)
#75BBFD
ΔE00 7.27
Dodgerblue
#1E90FF
ΔE00 7.27
Faded Blue
#658CBB
ΔE00 8.22
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#63A3D7 #D79763
analogous
#63D7D1 #63A3D7 #6369D7
triadic
#63A3D7 #D763A3 #A3D763
tetradic
#63A3D7 #D163D7 #D79763 #69D763
square
#63A3D7 #D163D7 #D79763 #69D763
split-complementary
#63A3D7 #D76369 #D7D163
monochromatic
#276698 #3486C9 #63A3D7 #94C0E3 #C4DCF0
Accessibility & contrast
On white
2.71
#63A3D7 on #FFFFFF
AA ✗AA large ✗AAA ✗
On black
7.75
#63A3D7 on #000000
AA ✓AA large ✓AAA ✓
Best text color
#000000 on #63A3D7
7.75:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##63A3D7 | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##63A3D7 | 1.00 | 2.71 | 7.75 | 7.75 |
| #FFFFFF | 2.71 | 1.00 | 21.00 | 21.00 |
| #000000 | 7.75 | 21.00 | 1.00 | 1.00 |
| ##000000 | 7.75 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#8DA4D9
Deuteranopia (green-blind)
#7D98D6
Tritanopia (blue-blind)
#14B0B5
Achromatopsia (no color)
#9D9D9D
Design tokens & code
CSS
--color: #63a3d7; /* rgb */ color: rgb(99, 163, 215); /* oklch */ color: oklch(69.3% 0.101 244.5);
Tailwind
colors: {
custom: {
50: '#97bee3',
500: '#63a3d7',
950: '#000000',
},
}SCSS
$custom: #63a3d7; $custom-light: #97bee3; $custom-dark: #000000;
JSON
{
"hex": "#63a3d7",
"rgb": {
"r": 99,
"g": 163,
"b": 215
},
"hsl": {
"h": 206.897,
"s": 59.184,
"l": 61.569
},
"oklch": {
"l": 0.69343,
"c": 0.10134,
"h": 244.5
},
"luminance": 0.33753
}Semantic roles & 50–950 ramp
primary
#63A3D7
secondary
#E0C9B5
accent
#6A1FC7
background
#F9FBFD
surface
#F2F6FB
border
#CCD0D4
text
#0E1215
muted
#7E8183