#647CEB#647CEB
#647CEB is a light, vivid blue. Relative luminance 0.231; OKLCH L 62.3% C 0.168 H 271.6°. Best body text is #000000 at 5.62:1 contrast (WCAG AA passes).
Color values
| HEX | #647CEB |
|---|---|
| RGB | rgb(100, 124, 235) |
| HSL | hsl(229, 77%, 66%) |
| HSV | hsv(229, 57%, 92%) |
| CMYK | cmyk(57.4%, 47.2%, 0%, 7.8%) |
| CIE-LAB | lab(55.20, 23.63, -58.91) |
| CIE-LCH | lch(55.20, 63.47, 291.86°) |
| OKLab | oklab(62.26% 0.0046 -0.1682) |
| OKLCH | oklch(62.26% 0.168 271.6) |
| XYZ | xyz(27.4536, 23.1207, 81.5972) |
| Luminance | 0.2312 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Cornflower
#6A79F7
ΔE00 2.34
Soft Blue
#6488EA
ΔE00 4.13
Lightish Blue
#3D7AFD
ΔE00 4.54
Cornflower Blue
#5170D7
ΔE00 5.40
Dodger Blue
#3E82FC
ΔE00 5.72
Clear Blue
#247AFD
ΔE00 6.20
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#647CEB #EBD364
analogous
#64C0EB #647CEB #8F64EB
triadic
#647CEB #EB647C #7CEB64
tetradic
#647CEB #EB64C0 #EBD364 #64EB8F
square
#647CEB #EB64C0 #EBD364 #64EB8F
split-complementary
#647CEB #EB8F64 #C0EB64
monochromatic
#1835BC #2E4EE4 #647CEB #9AAAF2 #D0D8F9
Accessibility & contrast
On white
3.73
#647CEB on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
5.62
#647CEB on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #647CEB
5.62:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##647CEB | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##647CEB | 1.00 | 3.73 | 5.62 | 5.62 |
| #FFFFFF | 3.73 | 1.00 | 21.00 | 21.00 |
| #000000 | 5.62 | 21.00 | 1.00 | 1.00 |
| ##000000 | 5.62 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#468AEF
Deuteranopia (green-blind)
#317FE9
Tritanopia (blue-blind)
#0095A8
Achromatopsia (no color)
#848484
Design tokens & code
CSS
--color: #647ceb; /* rgb */ color: rgb(100, 124, 235); /* oklch */ color: oklch(62.3% 0.168 271.6);
Tailwind
colors: {
custom: {
50: '#9aa1f2',
500: '#647ceb',
950: '#000000',
},
}SCSS
$custom: #647ceb; $custom-light: #9aa1f2; $custom-dark: #000000;
JSON
{
"hex": "#647ceb",
"rgb": {
"r": 100,
"g": 124,
"b": 235
},
"hsl": {
"h": 229.333,
"s": 77.143,
"l": 65.686
},
"oklch": {
"l": 0.62257,
"c": 0.16826,
"h": 271.6
},
"luminance": 0.23123
}Semantic roles & 50–950 ramp
primary
#647CEB
secondary
#ECE4BF
accent
#B50CD9
background
#FAF9FE
surface
#F3F2FD
border
#CDCCD5
text
#0F0E17
muted
#7F7E85