#647CC2#647CC2
#647CC2 is a mid, moderate blue. Relative luminance 0.210; OKLCH L 59.8% C 0.111 H 268.6°. Best body text is #000000 at 5.20:1 contrast (WCAG AA passes).
Color values
| HEX | #647CC2 |
|---|---|
| RGB | rgb(100, 124, 194) |
| HSL | hsl(225, 44%, 58%) |
| HSV | hsv(225, 48%, 76%) |
| CMYK | cmyk(48.5%, 36.1%, 0%, 23.9%) |
| CIE-LAB | lab(52.97, 10.63, -39.31) |
| CIE-LCH | lch(52.97, 40.73, 285.13°) |
| OKLab | oklab(59.83% -0.0028 -0.1108) |
| OKLCH | oklch(59.83% 0.111 268.6) |
| XYZ | xyz(22.1977, 21.0183, 53.9157) |
| Luminance | 0.2102 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Cornflower Blue
#5170D7
ΔE00 5.25
Faded Blue
#658CBB
ΔE00 6.26
Soft Blue
#6488EA
ΔE00 6.40
Off Blue
#5684AE
ΔE00 6.74
Dusty Blue
#5A86AD
ΔE00 6.94
Cornflower
#6A79F7
ΔE00 7.16
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#647CC2 #C2AA64
analogous
#64ABC2 #647CC2 #7B64C2
triadic
#647CC2 #C2647C #7CC264
tetradic
#647CC2 #C264AB #C2AA64 #64C27B
square
#647CC2 #C264AB #C2AA64 #64C27B
split-complementary
#647CC2 #C27B64 #ABC264
monochromatic
#30447B #425CA7 #647CC2 #90A1D3 #BCC6E5
Accessibility & contrast
On white
4.04
#647CC2 on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
5.20
#647CC2 on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #647CC2
5.20:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##647CC2 | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##647CC2 | 1.00 | 4.04 | 5.20 | 5.20 |
| #FFFFFF | 4.04 | 1.00 | 21.00 | 21.00 |
| #000000 | 5.20 | 21.00 | 1.00 | 1.00 |
| ##000000 | 5.20 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#6283C5
Deuteranopia (green-blind)
#587BC0
Tritanopia (blue-blind)
#3E8B96
Achromatopsia (no color)
#7E7E7E
Design tokens & code
CSS
--color: #647cc2; /* rgb */ color: rgb(100, 124, 194); /* oklch */ color: oklch(59.8% 0.111 268.6);
Tailwind
colors: {
custom: {
50: '#95a1d5',
500: '#647cc2',
950: '#000000',
},
}SCSS
$custom: #647cc2; $custom-light: #95a1d5; $custom-dark: #000000;
JSON
{
"hex": "#647cc2",
"rgb": {
"r": 100,
"g": 124,
"b": 194
},
"hsl": {
"h": 224.681,
"s": 43.519,
"l": 57.647
},
"oklch": {
"l": 0.59827,
"c": 0.11084,
"h": 268.6
},
"luminance": 0.2102
}Semantic roles & 50–950 ramp
primary
#647CC2
secondary
#D4CAAE
accent
#B355D3
background
#F9F9FD
surface
#F2F2FA
border
#CCCCD3
text
#0E0E14
muted
#7E7E83