#647CC5#647CC5
#647CC5 is a mid, moderate blue. Relative luminance 0.212; OKLCH L 60.0% C 0.115 H 269.0°. Best body text is #000000 at 5.23:1 contrast (WCAG AA passes).
Color values
| HEX | #647CC5 |
|---|---|
| RGB | rgb(100, 124, 197) |
| HSL | hsl(225, 46%, 58%) |
| HSV | hsv(225, 49%, 77%) |
| CMYK | cmyk(49.2%, 37.1%, 0%, 22.7%) |
| CIE-LAB | lab(53.12, 11.55, -40.79) |
| CIE-LCH | lch(53.12, 42.40, 285.82°) |
| OKLab | oklab(59.99% -0.0021 -0.1151) |
| OKLCH | oklch(59.99% 0.115 269) |
| XYZ | xyz(22.5380, 21.1544, 55.7081) |
| Luminance | 0.2116 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Cornflower Blue
#5170D7
ΔE00 5.07
Soft Blue
#6488EA
ΔE00 6.11
Faded Blue
#658CBB
ΔE00 6.27
Cornflower
#6A79F7
ΔE00 6.80
Off Blue
#5684AE
ΔE00 6.81
Dusty Blue
#5A86AD
ΔE00 6.99
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#647CC5 #C5AD64
analogous
#64ACC5 #647CC5 #7C64C5
triadic
#647CC5 #C5647C #7CC564
tetradic
#647CC5 #C564AC #C5AD64 #64C57C
square
#647CC5 #C564AC #C5AD64 #64C57C
split-complementary
#647CC5 #C57C64 #ACC564
monochromatic
#30437F #405BAC #647CC5 #91A2D6 #BDC7E6
Accessibility & contrast
On white
4.01
#647CC5 on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
5.23
#647CC5 on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #647CC5
5.23:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##647CC5 | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##647CC5 | 1.00 | 4.01 | 5.23 | 5.23 |
| #FFFFFF | 4.01 | 1.00 | 21.00 | 21.00 |
| #000000 | 5.23 | 21.00 | 1.00 | 1.00 |
| ##000000 | 5.23 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#6083C8
Deuteranopia (green-blind)
#567BC3
Tritanopia (blue-blind)
#3C8B97
Achromatopsia (no color)
#7F7F7F
Design tokens & code
CSS
--color: #647cc5; /* rgb */ color: rgb(100, 124, 197); /* oklch */ color: oklch(60.0% 0.115 269.0);
Tailwind
colors: {
custom: {
50: '#95a1d7',
500: '#647cc5',
950: '#000000',
},
}SCSS
$custom: #647cc5; $custom-light: #95a1d7; $custom-dark: #000000;
JSON
{
"hex": "#647cc5",
"rgb": {
"r": 100,
"g": 124,
"b": 197
},
"hsl": {
"h": 225.155,
"s": 45.54,
"l": 58.235
},
"oklch": {
"l": 0.5999,
"c": 0.11514,
"h": 269
},
"luminance": 0.21156
}Semantic roles & 50–950 ramp
primary
#647CC5
secondary
#D6CCAF
accent
#B553D5
background
#F9F9FD
surface
#F2F2FA
border
#CCCCD3
text
#0E0E14
muted
#7E7E83