#647EBD#647EBD
#647EBD is a mid, moderate blue. Relative luminance 0.213; OKLCH L 60.0% C 0.101 H 266.3°. Best body text is #000000 at 5.26:1 contrast (WCAG AA passes).
Color values
| HEX | #647EBD |
|---|---|
| RGB | rgb(100, 126, 189) |
| HSL | hsl(222, 40%, 57%) |
| HSV | hsv(222, 47%, 74%) |
| CMYK | cmyk(47.1%, 33.3%, 0%, 25.9%) |
| CIE-LAB | lab(53.28, 7.90, -35.97) |
| CIE-LCH | lch(53.28, 36.82, 282.39°) |
| OKLab | oklab(59.99% -0.0065 -0.1011) |
| OKLCH | oklch(59.99% 0.101 266.3) |
| XYZ | xyz(21.8987, 21.3038, 51.0924) |
| Luminance | 0.2130 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Faded Blue
#658CBB
ΔE00 5.54
Cornflower Blue
#5170D7
ΔE00 5.98
Off Blue
#5684AE
ΔE00 6.14
Dusty Blue
#5A86AD
ΔE00 6.36
Soft Blue
#6488EA
ΔE00 6.41
Slate Blue (survey)
#5B7C99
ΔE00 7.07
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#647EBD #BDA364
analogous
#64ABBD #647EBD #7764BD
triadic
#647EBD #BD647E #7EBD64
tetradic
#647EBD #BD64AB #BDA364 #64BD77
square
#647EBD #BD64AB #BDA364 #64BD77
split-complementary
#647EBD #BD7764 #ABBD64
monochromatic
#324575 #445FA0 #647EBD #8FA2CF #BAC5E2
Accessibility & contrast
On white
3.99
#647EBD on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
5.26
#647EBD on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #647EBD
5.26:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##647EBD | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##647EBD | 1.00 | 3.99 | 5.26 | 5.26 |
| #FFFFFF | 3.99 | 1.00 | 21.00 | 21.00 |
| #000000 | 5.26 | 21.00 | 1.00 | 1.00 |
| ##000000 | 5.26 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#6784C0
Deuteranopia (green-blind)
#5D7CBC
Tritanopia (blue-blind)
#418B95
Achromatopsia (no color)
#7F7F7F
Design tokens & code
CSS
--color: #647ebd; /* rgb */ color: rgb(100, 126, 189); /* oklch */ color: oklch(60.0% 0.101 266.3);
Tailwind
colors: {
custom: {
50: '#95a3d1',
500: '#647ebd',
950: '#000000',
},
}SCSS
$custom: #647ebd; $custom-light: #95a3d1; $custom-dark: #000000;
JSON
{
"hex": "#647ebd",
"rgb": {
"r": 100,
"g": 126,
"b": 189
},
"hsl": {
"h": 222.472,
"s": 40.271,
"l": 56.667
},
"oklch": {
"l": 0.59989,
"c": 0.10128,
"h": 266.3
},
"luminance": 0.21305
}Semantic roles & 50–950 ramp
primary
#647EBD
secondary
#D1C6AC
accent
#AD58D0
background
#F9FAFC
surface
#F2F3F9
border
#CCCDD2
text
#0E0F14
muted
#7E7F82