#63A8BF#63A8BF
#63A8BF is a light, moderate cyan. Relative luminance 0.344; OKLCH L 69.5% C 0.077 H 221.5°. Best body text is #000000 at 7.88:1 contrast (WCAG AA passes).
Color values
| HEX | #63A8BF |
|---|---|
| RGB | rgb(99, 168, 191) |
| HSL | hsl(195, 42%, 57%) |
| HSV | hsv(195, 48%, 75%) |
| CMYK | cmyk(48.2%, 12%, 0%, 25.1%) |
| CIE-LAB | lab(65.29, -15.55, -18.56) |
| CIE-LCH | lch(65.29, 24.21, 230.05°) |
| OKLab | oklab(69.46% -0.058 -0.0513) |
| OKLCH | oklch(69.46% 0.077 221.5) |
| XYZ | xyz(28.5487, 34.4172, 54.4189) |
| Luminance | 0.3442 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Greyblue
#77A1B5
ΔE00 4.72
Bluegrey
#85A3B2
ΔE00 7.18
Turquoise Blue
#06B1C4
ΔE00 7.56
Cadetblue
#5F9EA0
ΔE00 8.95
Bluey Grey
#89A0B0
ΔE00 9.31
Sky Blue
#87CEEB
ΔE00 10.61
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#63A8BF #BF7A63
analogous
#63BFA8 #63A8BF #637ABF
triadic
#63A8BF #BF63A8 #A8BF63
tetradic
#63A8BF #A863BF #BF7A63 #7ABF63
square
#63A8BF #A863BF #BF7A63 #7ABF63
split-complementary
#63A8BF #BF637A #BFA863
monochromatic
#316577 #438AA2 #63A8BF #8EC0D1 #BAD8E3
Accessibility & contrast
On white
2.66
#63A8BF on #FFFFFF
AA ✗AA large ✗AAA ✗
On black
7.88
#63A8BF on #000000
AA ✓AA large ✓AAA ✓
Best text color
#000000 on #63A8BF
7.88:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##63A8BF | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##63A8BF | 1.00 | 2.66 | 7.88 | 7.88 |
| #FFFFFF | 2.66 | 1.00 | 21.00 | 21.00 |
| #000000 | 7.88 | 21.00 | 1.00 | 1.00 |
| ##000000 | 7.88 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#9AA5C0
Deuteranopia (green-blind)
#8C9ABF
Tritanopia (blue-blind)
#33B0AF
Achromatopsia (no color)
#9E9E9E
Design tokens & code
CSS
--color: #63a8bf; /* rgb */ color: rgb(99, 168, 191); /* oklch */ color: oklch(69.5% 0.077 221.5);
Tailwind
colors: {
custom: {
50: '#95c2d2',
500: '#63a8bf',
950: '#000000',
},
}SCSS
$custom: #63a8bf; $custom-light: #95c2d2; $custom-dark: #000000;
JSON
{
"hex": "#63a8bf",
"rgb": {
"r": 99,
"g": 168,
"b": 191
},
"hsl": {
"h": 195,
"s": 41.818,
"l": 56.863
},
"oklch": {
"l": 0.69462,
"c": 0.0774,
"h": 221.5
},
"luminance": 0.3442
}Semantic roles & 50–950 ramp
primary
#63A8BF
secondary
#D2B6AC
accent
#7556D2
background
#F9FBFC
surface
#F2F7F9
border
#CCD0D2
text
#0E1214
muted
#7E8182