#63A4E7#63A4E7
#63A4E7 is a light, moderate cyan. Relative luminance 0.350; OKLCH L 70.3% C 0.119 H 250.5°. Best body text is #000000 at 7.99:1 contrast (WCAG AA passes).
Color values
| HEX | #63A4E7 |
|---|---|
| RGB | rgb(99, 164, 231) |
| HSL | hsl(210, 73%, 65%) |
| HSV | hsv(210, 57%, 91%) |
| CMYK | cmyk(57.1%, 29%, 0%, 9.4%) |
| CIE-LAB | lab(65.73, -1.41, -40.02) |
| CIE-LCH | lch(65.73, 40.04, 267.98°) |
| OKLab | oklab(70.32% -0.0398 -0.1126) |
| OKLCH | oklch(70.32% 0.119 250.5) |
| XYZ | xyz(32.8397, 34.9702, 80.6051) |
| Luminance | 0.3497 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Azure (survey)
#069AF3
ΔE00 5.57
Cornflowerblue
#6495ED
ΔE00 5.58
Sky Blue (survey)
#75BBFD
ΔE00 6.44
Dodgerblue
#1E90FF
ΔE00 6.53
Dark Sky Blue
#448EE4
ΔE00 6.80
Carolina Blue
#8AB8FE
ΔE00 7.24
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#63A4E7 #E7A663
analogous
#63E6E7 #63A4E7 #6463E7
triadic
#63A4E7 #E763A4 #A4E763
tetradic
#63A4E7 #E763E6 #E7A663 #63E764
square
#63A4E7 #E763E6 #E7A663 #63E764
split-complementary
#63A4E7 #E76463 #E6E763
monochromatic
#1C67B4 #2E85DF #63A4E7 #98C3EF #CDE2F7
Accessibility & contrast
On white
2.63
#63A4E7 on #FFFFFF
AA ✗AA large ✗AAA ✗
On black
7.99
#63A4E7 on #000000
AA ✓AA large ✓AAA ✓
Best text color
#000000 on #63A4E7
7.99:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##63A4E7 | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##63A4E7 | 1.00 | 2.63 | 7.99 | 7.99 |
| #FFFFFF | 2.63 | 1.00 | 21.00 | 21.00 |
| #000000 | 7.99 | 21.00 | 1.00 | 1.00 |
| ##000000 | 7.99 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#88A7EA
Deuteranopia (green-blind)
#779AE6
Tritanopia (blue-blind)
#00B4BC
Achromatopsia (no color)
#A0A0A0
Design tokens & code
CSS
--color: #63a4e7; /* rgb */ color: rgb(99, 164, 231); /* oklch */ color: oklch(70.3% 0.119 250.5);
Tailwind
colors: {
custom: {
50: '#99beef',
500: '#63a4e7',
950: '#000000',
},
}SCSS
$custom: #63a4e7; $custom-light: #99beef; $custom-dark: #000000;
JSON
{
"hex": "#63a4e7",
"rgb": {
"r": 99,
"g": 164,
"b": 231
},
"hsl": {
"h": 210.455,
"s": 73.333,
"l": 64.706
},
"oklch": {
"l": 0.70324,
"c": 0.11944,
"h": 250.5
},
"luminance": 0.34973
}Semantic roles & 50–950 ramp
primary
#63A4E7
secondary
#EAD3BC
accent
#7410D5
background
#F9FBFE
surface
#F2F6FD
border
#CCD0D5
text
#0F1216
muted
#7E8184