#648BB7#648BB7
#648BB7 is a light, moderate cyan. Relative luminance 0.246; OKLCH L 62.6% C 0.080 H 252.1°. Best body text is #000000 at 5.92:1 contrast (WCAG AA passes).
Color values
| HEX | #648BB7 |
|---|---|
| RGB | rgb(100, 139, 183) |
| HSL | hsl(212, 37%, 55%) |
| HSV | hsv(212, 45%, 72%) |
| CMYK | cmyk(45.4%, 24%, 0%, 28.2%) |
| CIE-LAB | lab(56.68, -1.53, -27.25) |
| CIE-LCH | lch(56.68, 27.30, 266.78°) |
| OKLab | oklab(62.55% -0.0246 -0.0759) |
| OKLCH | oklch(62.55% 0.08 252.1) |
| XYZ | xyz(23.0325, 24.5920, 48.3236) |
| Luminance | 0.2459 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Faded Blue
#658CBB
ΔE00 0.73
Dusty Blue
#5A86AD
ΔE00 2.97
Off Blue
#5684AE
ΔE00 3.43
Cool Blue
#4984B8
ΔE00 4.56
Steel Blue
#4682B4
ΔE00 5.30
Dark Sky Blue
#448EE4
ΔE00 5.66
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#648BB7 #B79064
analogous
#64B5B7 #648BB7 #6664B7
triadic
#648BB7 #B7648B #8BB764
tetradic
#648BB7 #B764B5 #B79064 #64B766
square
#648BB7 #B764B5 #B79064 #64B766
split-complementary
#648BB7 #B76664 #B5B764
monochromatic
#334F6E #466C97 #648BB7 #8EAACA #B8CADE
Accessibility & contrast
On white
3.55
#648BB7 on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
5.92
#648BB7 on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #648BB7
5.92:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##648BB7 | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##648BB7 | 1.00 | 3.55 | 5.92 | 5.92 |
| #FFFFFF | 3.55 | 1.00 | 21.00 | 21.00 |
| #000000 | 5.92 | 21.00 | 1.00 | 1.00 |
| ##000000 | 5.92 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#7A8DB9
Deuteranopia (green-blind)
#7084B6
Tritanopia (blue-blind)
#43959A
Achromatopsia (no color)
#888888
Design tokens & code
CSS
--color: #648bb7; /* rgb */ color: rgb(100, 139, 183); /* oklch */ color: oklch(62.6% 0.080 252.1);
Tailwind
colors: {
custom: {
50: '#94accc',
500: '#648bb7',
950: '#000000',
},
}SCSS
$custom: #648bb7; $custom-light: #94accc; $custom-dark: #000000;
JSON
{
"hex": "#648bb7",
"rgb": {
"r": 100,
"g": 139,
"b": 183
},
"hsl": {
"h": 211.807,
"s": 36.564,
"l": 55.49
},
"oklch": {
"l": 0.62553,
"c": 0.0798,
"h": 252.1
},
"luminance": 0.24593
}Semantic roles & 50–950 ramp
primary
#648BB7
secondary
#CDBCAA
accent
#975BCD
background
#F9FAFC
surface
#F2F4F9
border
#CCCED2
text
#0D1013
muted
#7E7F82