#63B1CA#63B1CA
#63B1CA is a light, moderate cyan. Relative luminance 0.384; OKLCH L 72.0% C 0.085 H 220.9°. Best body text is #000000 at 8.67:1 contrast (WCAG AA passes).
Color values
| HEX | #63B1CA |
|---|---|
| RGB | rgb(99, 177, 202) |
| HSL | hsl(195, 49%, 59%) |
| HSV | hsv(195, 51%, 79%) |
| CMYK | cmyk(51%, 12.4%, 0%, 20.8%) |
| CIE-LAB | lab(68.28, -17.19, -20.10) |
| CIE-LCH | lch(68.28, 26.45, 229.47°) |
| OKLab | oklab(71.97% -0.0642 -0.0556) |
| OKLCH | oklch(71.97% 0.085 220.9) |
| XYZ | xyz(31.5244, 38.3585, 61.6083) |
| Luminance | 0.3836 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Greyblue
#77A1B5
ΔE00 6.62
Turquoise Blue
#06B1C4
ΔE00 6.97
Sky Blue
#87CEEB
ΔE00 8.28
Bluegrey
#85A3B2
ΔE00 8.57
Baby Blue
#89CFF0
ΔE00 9.00
Bright Sky Blue
#02CCFE
ΔE00 9.17
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#63B1CA #CA7C63
analogous
#63CAB0 #63B1CA #637ECA
triadic
#63B1CA #CA63B1 #B1CA63
tetradic
#63B1CA #B063CA #CA7C63 #7ECA63
square
#63B1CA #B063CA #CA7C63 #7ECA63
split-complementary
#63B1CA #CA637E #CAB063
monochromatic
#2D7085 #3D96B3 #63B1CA #91C8DA #BEDFE9
Accessibility & contrast
On white
2.42
#63B1CA on #FFFFFF
AA ✗AA large ✗AAA ✗
On black
8.67
#63B1CA on #000000
AA ✓AA large ✓AAA ✓
Best text color
#000000 on #63B1CA
8.67:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##63B1CA | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##63B1CA | 1.00 | 2.42 | 8.67 | 8.67 |
| #FFFFFF | 2.42 | 1.00 | 21.00 | 21.00 |
| #000000 | 8.67 | 21.00 | 1.00 | 1.00 |
| ##000000 | 8.67 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#A2ADCB
Deuteranopia (green-blind)
#92A1CA
Tritanopia (blue-blind)
#24B9B9
Achromatopsia (no color)
#A6A6A6
Design tokens & code
CSS
--color: #63b1ca; /* rgb */ color: rgb(99, 177, 202); /* oklch */ color: oklch(72.0% 0.085 220.9);
Tailwind
colors: {
custom: {
50: '#96c8da',
500: '#63b1ca',
950: '#000000',
},
}SCSS
$custom: #63b1ca; $custom-light: #96c8da; $custom-dark: #000000;
JSON
{
"hex": "#63b1ca",
"rgb": {
"r": 99,
"g": 177,
"b": 202
},
"hsl": {
"h": 194.563,
"s": 49.282,
"l": 59.02
},
"oklch": {
"l": 0.71975,
"c": 0.08497,
"h": 220.9
},
"luminance": 0.38361
}Semantic roles & 50–950 ramp
primary
#63B1CA
secondary
#D9BAB0
accent
#704FD9
background
#F9FCFD
surface
#F2F8FA
border
#CCD1D3
text
#0E1314
muted
#7E8283