#647DCE#647DCE
#647DCE is a mid, vivid blue. Relative luminance 0.218; OKLCH L 60.7% C 0.127 H 269.4°. Best body text is #000000 at 5.37:1 contrast (WCAG AA passes).
Color values
| HEX | #647DCE |
|---|---|
| RGB | rgb(100, 125, 206) |
| HSL | hsl(226, 52%, 60%) |
| HSV | hsv(226, 51%, 81%) |
| CMYK | cmyk(51.5%, 39.3%, 0%, 19.2%) |
| CIE-LAB | lab(53.85, 13.76, -44.76) |
| CIE-LCH | lch(53.85, 46.82, 287.08°) |
| OKLab | oklab(60.7% -0.0013 -0.1267) |
| OKLCH | oklch(60.7% 0.127 269.4) |
| XYZ | xyz(23.7261, 21.8312, 61.3442) |
| Luminance | 0.2183 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Cornflower Blue
#5170D7
ΔE00 4.91
Soft Blue
#6488EA
ΔE00 5.04
Cornflower
#6A79F7
ΔE00 5.77
Faded Blue
#658CBB
ΔE00 6.06
Lightish Blue
#3D7AFD
ΔE00 6.36
Off Blue
#5684AE
ΔE00 6.89
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#647DCE #CEB564
analogous
#64B2CE #647DCE #8064CE
triadic
#647DCE #CE647D #7DCE64
tetradic
#647DCE #CE64B2 #CEB564 #64CE80
square
#647DCE #CE64B2 #CEB564 #64CE80
split-complementary
#647DCE #CE8064 #B2CE64
monochromatic
#2C438C #3B59BA #647DCE #92A4DD #C1CBEB
Accessibility & contrast
On white
3.91
#647DCE on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
5.37
#647DCE on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #647DCE
5.37:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##647DCE | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##647DCE | 1.00 | 3.91 | 5.37 | 5.37 |
| #FFFFFF | 3.91 | 1.00 | 21.00 | 21.00 |
| #000000 | 5.37 | 21.00 | 1.00 | 1.00 |
| ##000000 | 5.37 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#5D86D1
Deuteranopia (green-blind)
#517CCC
Tritanopia (blue-blind)
#348E9B
Achromatopsia (no color)
#818181
Design tokens & code
CSS
--color: #647dce; /* rgb */ color: rgb(100, 125, 206); /* oklch */ color: oklch(60.7% 0.127 269.4);
Tailwind
colors: {
custom: {
50: '#96a2dd',
500: '#647dce',
950: '#000000',
},
}SCSS
$custom: #647dce; $custom-light: #96a2dd; $custom-dark: #000000;
JSON
{
"hex": "#647dce",
"rgb": {
"r": 100,
"g": 125,
"b": 206
},
"hsl": {
"h": 225.849,
"s": 51.961,
"l": 60
},
"oklch": {
"l": 0.60702,
"c": 0.12669,
"h": 269.4
},
"luminance": 0.21833
}Semantic roles & 50–950 ramp
primary
#647DCE
secondary
#DBD2B2
accent
#BA4CDB
background
#F9F9FD
surface
#F2F2FB
border
#CCCCD4
text
#0E0F15
muted
#7E7E83