#63B7CA#63B7CA
#63B7CA is a light, moderate cyan. Relative luminance 0.408; OKLCH L 73.4% C 0.086 H 214.2°. Best body text is #000000 at 9.16:1 contrast (WCAG AA passes).
Color values
| HEX | #63B7CA |
|---|---|
| RGB | rgb(99, 183, 202) |
| HSL | hsl(191, 49%, 59%) |
| HSV | hsv(191, 51%, 79%) |
| CMYK | cmyk(51%, 9.4%, 0%, 20.8%) |
| CIE-LAB | lab(70.02, -20.31, -17.47) |
| CIE-LCH | lch(70.02, 26.78, 220.70°) |
| OKLab | oklab(73.36% -0.0711 -0.0483) |
| OKLCH | oklch(73.36% 0.086 214.2) |
| XYZ | xyz(32.7356, 40.7811, 62.0121) |
| Luminance | 0.4078 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Turquoise Blue
#06B1C4
ΔE00 5.66
Sky Blue
#87CEEB
ΔE00 8.03
Greyblue
#77A1B5
ΔE00 8.82
Baby Blue
#89CFF0
ΔE00 9.11
Bright Sky Blue
#02CCFE
ΔE00 9.35
Cadetblue
#5F9EA0
ΔE00 9.61
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#63B7CA #CA7663
analogous
#63CAAA #63B7CA #6384CA
triadic
#63B7CA #CA63B7 #B7CA63
tetradic
#63B7CA #AA63CA #CA7663 #84CA63
square
#63B7CA #AA63CA #CA7663 #84CA63
split-complementary
#63B7CA #CA6384 #CAAA63
monochromatic
#2D7585 #3D9DB3 #63B7CA #91CCDA #BEE1E9
Accessibility & contrast
On white
2.29
#63B7CA on #FFFFFF
AA ✗AA large ✗AAA ✗
On black
9.16
#63B7CA on #000000
AA ✓AA large ✓AAA ✓
Best text color
#000000 on #63B7CA
9.16:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##63B7CA | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##63B7CA | 1.00 | 2.29 | 9.16 | 9.16 |
| #FFFFFF | 2.29 | 1.00 | 21.00 | 21.00 |
| #000000 | 9.16 | 21.00 | 1.00 | 1.00 |
| ##000000 | 9.16 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#A9B2CB
Deuteranopia (green-blind)
#99A6CA
Tritanopia (blue-blind)
#20BFBD
Achromatopsia (no color)
#ABABAB
Design tokens & code
CSS
--color: #63b7ca; /* rgb */ color: rgb(99, 183, 202); /* oklch */ color: oklch(73.4% 0.086 214.2);
Tailwind
colors: {
custom: {
50: '#97ccda',
500: '#63b7ca',
950: '#000000',
},
}SCSS
$custom: #63b7ca; $custom-light: #97ccda; $custom-dark: #000000;
JSON
{
"hex": "#63b7ca",
"rgb": {
"r": 99,
"g": 183,
"b": 202
},
"hsl": {
"h": 191.068,
"s": 49.282,
"l": 59.02
},
"oklch": {
"l": 0.73364,
"c": 0.0859,
"h": 214.2
},
"luminance": 0.40784
}Semantic roles & 50–950 ramp
primary
#63B7CA
secondary
#D9B8B0
accent
#684FD9
background
#F9FCFD
surface
#F2F9FA
border
#CCD2D3
text
#0E1314
muted
#7E8283