#647ED3#647ED3
#647ED3 is a mid, vivid blue. Relative luminance 0.223; OKLCH L 61.2% C 0.133 H 269.4°. Best body text is #000000 at 5.47:1 contrast (WCAG AA passes).
Color values
| HEX | #647ED3 |
|---|---|
| RGB | rgb(100, 126, 211) |
| HSL | hsl(226, 56%, 61%) |
| HSV | hsv(226, 53%, 83%) |
| CMYK | cmyk(52.6%, 40.3%, 0%, 17.3%) |
| CIE-LAB | lab(54.38, 14.73, -46.75) |
| CIE-LCH | lch(54.38, 49.01, 287.49°) |
| OKLab | oklab(61.2% -0.0014 -0.1325) |
| OKLCH | oklch(61.2% 0.133 269.4) |
| XYZ | xyz(24.4704, 22.3325, 64.6365) |
| Luminance | 0.2233 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Soft Blue
#6488EA
ΔE00 4.36
Cornflower Blue
#5170D7
ΔE00 5.09
Cornflower
#6A79F7
ΔE00 5.29
Lightish Blue
#3D7AFD
ΔE00 5.87
Faded Blue
#658CBB
ΔE00 5.90
Dodger Blue
#3E82FC
ΔE00 6.38
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#647ED3 #D3B964
analogous
#64B5D3 #647ED3 #8164D3
triadic
#647ED3 #D3647E #7ED364
tetradic
#647ED3 #D364B5 #D3B964 #64D381
square
#647ED3 #D364B5 #D3B964 #64D381
split-complementary
#647ED3 #D38164 #B5D364
monochromatic
#2A4293 #3758C3 #647ED3 #94A6E1 #C3CDEE
Accessibility & contrast
On white
3.84
#647ED3 on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
5.47
#647ED3 on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #647ED3
5.47:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##647ED3 | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##647ED3 | 1.00 | 3.84 | 5.47 | 5.47 |
| #FFFFFF | 3.84 | 1.00 | 21.00 | 21.00 |
| #000000 | 5.47 | 21.00 | 1.00 | 1.00 |
| ##000000 | 5.47 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#5B87D6
Deuteranopia (green-blind)
#4F7ED1
Tritanopia (blue-blind)
#2E909E
Achromatopsia (no color)
#828282
Design tokens & code
CSS
--color: #647ed3; /* rgb */ color: rgb(100, 126, 211); /* oklch */ color: oklch(61.2% 0.133 269.4);
Tailwind
colors: {
custom: {
50: '#97a3e1',
500: '#647ed3',
950: '#000000',
},
}SCSS
$custom: #647ed3; $custom-light: #97a3e1; $custom-dark: #000000;
JSON
{
"hex": "#647ed3",
"rgb": {
"r": 100,
"g": 126,
"b": 211
},
"hsl": {
"h": 225.946,
"s": 55.779,
"l": 60.98
},
"oklch": {
"l": 0.61195,
"c": 0.1325,
"h": 269.4
},
"luminance": 0.22334
}Semantic roles & 50–950 ramp
primary
#647ED3
secondary
#DED5B4
accent
#9E22C3
background
#F9F9FD
surface
#F2F2FB
border
#CCCCD4
text
#0E0F15
muted
#7E7E83