#63A4BF#63A4BF
#63A4BF is a light, moderate cyan. Relative luminance 0.330; OKLCH L 68.5% C 0.077 H 226.6°. Best body text is #000000 at 7.59:1 contrast (WCAG AA passes).
Color values
| HEX | #63A4BF |
|---|---|
| RGB | rgb(99, 164, 191) |
| HSL | hsl(198, 42%, 57%) |
| HSV | hsv(198, 48%, 75%) |
| CMYK | cmyk(48.2%, 14.1%, 0%, 25.1%) |
| CIE-LAB | lab(64.13, -13.41, -20.33) |
| CIE-LCH | lch(64.13, 24.35, 236.59°) |
| OKLab | oklab(68.54% -0.0532 -0.0562) |
| OKLCH | oklch(68.54% 0.077 226.6) |
| XYZ | xyz(27.8216, 32.9630, 54.1765) |
| Luminance | 0.3296 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Greyblue
#77A1B5
ΔE00 3.77
Bluegrey
#85A3B2
ΔE00 6.62
Bluey Grey
#89A0B0
ΔE00 8.37
Turquoise Blue
#06B1C4
ΔE00 9.18
Cadetblue
#5F9EA0
ΔE00 10.28
Blue Grey
#758DA3
ΔE00 10.37
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#63A4BF #BF7E63
analogous
#63BFAC #63A4BF #6376BF
triadic
#63A4BF #BF63A4 #A4BF63
tetradic
#63A4BF #AC63BF #BF7E63 #76BF63
square
#63A4BF #AC63BF #BF7E63 #76BF63
split-complementary
#63A4BF #BF6376 #BFAC63
monochromatic
#316277 #4386A2 #63A4BF #8EBDD1 #BAD7E3
Accessibility & contrast
On white
2.77
#63A4BF on #FFFFFF
AA ✗AA large ✗AAA ✗
On black
7.59
#63A4BF on #000000
AA ✓AA large ✓AAA ✓
Best text color
#000000 on #63A4BF
7.59:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##63A4BF | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##63A4BF | 1.00 | 2.77 | 7.59 | 7.59 |
| #FFFFFF | 2.77 | 1.00 | 21.00 | 21.00 |
| #000000 | 7.59 | 21.00 | 1.00 | 1.00 |
| ##000000 | 7.59 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#96A1C0
Deuteranopia (green-blind)
#8897BF
Tritanopia (blue-blind)
#35ACAD
Achromatopsia (no color)
#9B9B9B
Design tokens & code
CSS
--color: #63a4bf; /* rgb */ color: rgb(99, 164, 191); /* oklch */ color: oklch(68.5% 0.077 226.6);
Tailwind
colors: {
custom: {
50: '#95bfd2',
500: '#63a4bf',
950: '#000000',
},
}SCSS
$custom: #63a4bf; $custom-light: #95bfd2; $custom-dark: #000000;
JSON
{
"hex": "#63a4bf",
"rgb": {
"r": 99,
"g": 164,
"b": 191
},
"hsl": {
"h": 197.609,
"s": 41.818,
"l": 56.863
},
"oklch": {
"l": 0.68537,
"c": 0.07744,
"h": 226.6
},
"luminance": 0.32965
}Semantic roles & 50–950 ramp
primary
#63A4BF
secondary
#D2B7AC
accent
#7A56D2
background
#F9FBFC
surface
#F2F7F9
border
#CCD0D2
text
#0E1214
muted
#7E8182