#63A3CD#63A3CD
#63A3CD is a light, moderate cyan. Relative luminance 0.333; OKLCH L 68.9% C 0.090 H 238.7°. Best body text is #000000 at 7.65:1 contrast (WCAG AA passes).
Color values
| HEX | #63A3CD |
|---|---|
| RGB | rgb(99, 163, 205) |
| HSL | hsl(204, 51%, 60%) |
| HSV | hsv(204, 52%, 80%) |
| CMYK | cmyk(51.7%, 20.5%, 0%, 19.6%) |
| CIE-LAB | lab(64.36, -8.80, -27.76) |
| CIE-LCH | lch(64.36, 29.12, 252.42°) |
| OKLab | oklab(68.9% -0.047 -0.0774) |
| OKLCH | oklch(68.9% 0.091 238.7) |
| XYZ | xyz(29.2582, 33.2524, 62.6223) |
| Luminance | 0.3326 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Greyblue
#77A1B5
ΔE00 6.39
Azure (survey)
#069AF3
ΔE00 6.96
Cornflowerblue
#6495ED
ΔE00 8.37
Sky Blue (survey)
#75BBFD
ΔE00 8.39
Bluegrey
#85A3B2
ΔE00 8.54
Dark Sky Blue
#448EE4
ΔE00 8.56
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#63A3CD #CD8D63
analogous
#63CDC2 #63A3CD #636ECD
triadic
#63A3CD #CD63A3 #A3CD63
tetradic
#63A3CD #C263CD #CD8D63 #6ECD63
square
#63A3CD #C263CD #CD8D63 #6ECD63
split-complementary
#63A3CD #CD636E #CDC263
monochromatic
#2C648A #3B86B8 #63A3CD #91BEDC #C0DAEB
Accessibility & contrast
On white
2.74
#63A3CD on #FFFFFF
AA ✗AA large ✗AAA ✗
On black
7.65
#63A3CD on #000000
AA ✓AA large ✓AAA ✓
Best text color
#000000 on #63A3CD
7.65:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##63A3CD | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##63A3CD | 1.00 | 2.74 | 7.65 | 7.65 |
| #FFFFFF | 2.74 | 1.00 | 21.00 | 21.00 |
| #000000 | 7.65 | 21.00 | 1.00 | 1.00 |
| ##000000 | 7.65 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#90A2CF
Deuteranopia (green-blind)
#8297CC
Tritanopia (blue-blind)
#26AEB1
Achromatopsia (no color)
#9C9C9C
Design tokens & code
CSS
--color: #63a3cd; /* rgb */ color: rgb(99, 163, 205); /* oklch */ color: oklch(68.9% 0.090 238.7);
Tailwind
colors: {
custom: {
50: '#96bedc',
500: '#63a3cd',
950: '#000000',
},
}SCSS
$custom: #63a3cd; $custom-light: #96bedc; $custom-dark: #000000;
JSON
{
"hex": "#63a3cd",
"rgb": {
"r": 99,
"g": 163,
"b": 205
},
"hsl": {
"h": 203.774,
"s": 51.456,
"l": 59.608
},
"oklch": {
"l": 0.68895,
"c": 0.0905,
"h": 238.7
},
"luminance": 0.33255
}Semantic roles & 50–950 ramp
primary
#63A3CD
secondary
#DAC2B1
accent
#854DDB
background
#F9FBFD
surface
#F2F6FB
border
#CCD0D4
text
#0E1215
muted
#7E8183