#648BC0#648BC0
#648BC0 is a light, moderate cyan. Relative luminance 0.250; OKLCH L 63.0% C 0.092 H 256.3°. Best body text is #000000 at 6.00:1 contrast (WCAG AA passes).
Color values
| HEX | #648BC0 |
|---|---|
| RGB | rgb(100, 139, 192) |
| HSL | hsl(215, 42%, 57%) |
| HSV | hsv(215, 48%, 75%) |
| CMYK | cmyk(47.9%, 27.6%, 0%, 24.7%) |
| CIE-LAB | lab(57.05, 1.14, -31.78) |
| CIE-LCH | lch(57.05, 31.80, 272.05°) |
| OKLab | oklab(62.98% -0.0217 -0.0889) |
| OKLCH | oklch(62.98% 0.092 256.3) |
| XYZ | xyz(23.9994, 24.9787, 53.4157) |
| Luminance | 0.2498 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Faded Blue
#658CBB
ΔE00 0.97
Dusty Blue
#5A86AD
ΔE00 4.18
Off Blue
#5684AE
ΔE00 4.40
Soft Blue
#6488EA
ΔE00 4.74
Cool Blue
#4984B8
ΔE00 5.15
Dark Sky Blue
#448EE4
ΔE00 5.20
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#648BC0 #C09964
analogous
#64B9C0 #648BC0 #6B64C0
triadic
#648BC0 #C0648B #8BC064
tetradic
#648BC0 #C064B9 #C09964 #64C06B
square
#648BC0 #C064B9 #C09964 #64C06B
split-complementary
#648BC0 #C06B64 #B9C064
monochromatic
#314F79 #436CA4 #648BC0 #90ACD2 #BBCCE3
Accessibility & contrast
On white
3.50
#648BC0 on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
6.00
#648BC0 on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #648BC0
6.00:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##648BC0 | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##648BC0 | 1.00 | 3.50 | 6.00 | 6.00 |
| #FFFFFF | 3.50 | 1.00 | 21.00 | 21.00 |
| #000000 | 6.00 | 21.00 | 1.00 | 1.00 |
| ##000000 | 6.00 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#778EC2
Deuteranopia (green-blind)
#6C85BF
Tritanopia (blue-blind)
#3D979D
Achromatopsia (no color)
#898989
Design tokens & code
CSS
--color: #648bc0; /* rgb */ color: rgb(100, 139, 192); /* oklch */ color: oklch(63.0% 0.092 256.3);
Tailwind
colors: {
custom: {
50: '#95acd3',
500: '#648bc0',
950: '#000000',
},
}SCSS
$custom: #648bc0; $custom-light: #95acd3; $custom-dark: #000000;
JSON
{
"hex": "#648bc0",
"rgb": {
"r": 100,
"g": 139,
"b": 192
},
"hsl": {
"h": 214.565,
"s": 42.202,
"l": 57.255
},
"oklch": {
"l": 0.62976,
"c": 0.09153,
"h": 256.3
},
"luminance": 0.2498
}Semantic roles & 50–950 ramp
primary
#648BC0
secondary
#D3C3AD
accent
#9D56D2
background
#F9FAFC
surface
#F2F4F9
border
#CCCED2
text
#0E1014
muted
#7E7F82