#648BBF#648BBF
#648BBF is a light, moderate cyan. Relative luminance 0.249; OKLCH L 62.9% C 0.090 H 255.9°. Best body text is #000000 at 5.99:1 contrast (WCAG AA passes).
Color values
| HEX | #648BBF |
|---|---|
| RGB | rgb(100, 139, 191) |
| HSL | hsl(214, 42%, 57%) |
| HSV | hsv(214, 48%, 75%) |
| CMYK | cmyk(47.6%, 27.2%, 0%, 25.1%) |
| CIE-LAB | lab(57.01, 0.84, -31.28) |
| CIE-LCH | lch(57.01, 31.29, 271.53°) |
| OKLab | oklab(62.93% -0.022 -0.0875) |
| OKLCH | oklch(62.93% 0.09 255.9) |
| XYZ | xyz(23.8890, 24.9345, 52.8341) |
| Luminance | 0.2494 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Faded Blue
#658CBB
ΔE00 0.84
Dusty Blue
#5A86AD
ΔE00 4.06
Off Blue
#5684AE
ΔE00 4.30
Soft Blue
#6488EA
ΔE00 4.85
Cool Blue
#4984B8
ΔE00 5.07
Dark Sky Blue
#448EE4
ΔE00 5.23
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#648BBF #BF9864
analogous
#64B9BF #648BBF #6B64BF
triadic
#648BBF #BF648B #8BBF64
tetradic
#648BBF #BF64B9 #BF9864 #64BF6B
square
#648BBF #BF64B9 #BF9864 #64BF6B
split-complementary
#648BBF #BF6B64 #B9BF64
monochromatic
#314F77 #436CA3 #648BBF #8FABD1 #BBCCE3
Accessibility & contrast
On white
3.51
#648BBF on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
5.99
#648BBF on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #648BBF
5.99:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##648BBF | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##648BBF | 1.00 | 3.51 | 5.99 | 5.99 |
| #FFFFFF | 3.51 | 1.00 | 21.00 | 21.00 |
| #000000 | 5.99 | 21.00 | 1.00 | 1.00 |
| ##000000 | 5.99 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#778EC1
Deuteranopia (green-blind)
#6C85BE
Tritanopia (blue-blind)
#3D979D
Achromatopsia (no color)
#898989
Design tokens & code
CSS
--color: #648bbf; /* rgb */ color: rgb(100, 139, 191); /* oklch */ color: oklch(62.9% 0.090 255.9);
Tailwind
colors: {
custom: {
50: '#95acd2',
500: '#648bbf',
950: '#000000',
},
}SCSS
$custom: #648bbf; $custom-light: #95acd2; $custom-dark: #000000;
JSON
{
"hex": "#648bbf",
"rgb": {
"r": 100,
"g": 139,
"b": 191
},
"hsl": {
"h": 214.286,
"s": 41.553,
"l": 57.059
},
"oklch": {
"l": 0.62928,
"c": 0.09021,
"h": 255.9
},
"luminance": 0.24936
}Semantic roles & 50–950 ramp
primary
#648BBF
secondary
#D2C2AD
accent
#9D56D1
background
#F9FAFC
surface
#F2F4F9
border
#CCCED2
text
#0E1014
muted
#7E7F82