#646CA2#646CA2
#646CA2 is a mid, moderate blue. Relative luminance 0.160; OKLCH L 54.7% C 0.085 H 276.8°. Best body text is #FFFFFF at 4.99:1 contrast (WCAG AA passes).
Color values
| HEX | #646CA2 |
|---|---|
| RGB | rgb(100, 108, 162) |
| HSL | hsl(232, 25%, 51%) |
| HSV | hsv(232, 38%, 64%) |
| CMYK | cmyk(38.3%, 33.3%, 0%, 36.5%) |
| CIE-LAB | lab(47.03, 10.79, -30.09) |
| CIE-LCH | lch(47.03, 31.97, 289.73°) |
| OKLab | oklab(54.73% 0.01 -0.0841) |
| OKLCH | oklch(54.73% 0.085 276.8) |
| XYZ | xyz(17.1378, 16.0424, 36.3689) |
| Luminance | 0.1604 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Dusky Blue
#475F94
ΔE00 7.11
French Blue
#436BAD
ΔE00 7.95
Dusk
#4E5481
ΔE00 9.28
Dark Periwinkle
#665FD1
ΔE00 9.30
Cornflower Blue
#5170D7
ΔE00 9.36
Denim Blue
#3B5B92
ΔE00 9.49
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#646CA2 #A29A64
analogous
#648BA2 #646CA2 #7B64A2
triadic
#646CA2 #A2646C #6CA264
tetradic
#646CA2 #A2648B #A29A64 #64A27B
square
#646CA2 #A2648B #A29A64 #64A27B
split-complementary
#646CA2 #A27B64 #8BA264
monochromatic
#343957 #4B527E #646CA2 #8A90B9 #B1B5D0
Accessibility & contrast
On white
4.99
#646CA2 on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
4.21
#646CA2 on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #646CA2
4.99:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##646CA2 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##646CA2 | 1.00 | 4.99 | 4.21 | 4.99 |
| #FFFFFF | 4.99 | 1.00 | 21.00 | 1.00 |
| #000000 | 4.21 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 4.99 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#5A72A4
Deuteranopia (green-blind)
#566DA1
Tritanopia (blue-blind)
#527780
Achromatopsia (no color)
#6F6F6F
Design tokens & code
CSS
--color: #646ca2; /* rgb */ color: rgb(100, 108, 162); /* oklch */ color: oklch(54.7% 0.085 276.8);
Tailwind
colors: {
custom: {
50: '#9296bd',
500: '#646ca2',
950: '#000000',
},
}SCSS
$custom: #646ca2; $custom-light: #9296bd; $custom-dark: #000000;
JSON
{
"hex": "#646ca2",
"rgb": {
"r": 100,
"g": 108,
"b": 162
},
"hsl": {
"h": 232.258,
"s": 25,
"l": 51.373
},
"oklch": {
"l": 0.54734,
"c": 0.0847,
"h": 276.8
},
"luminance": 0.16043
}Semantic roles & 50–950 ramp
primary
#646CA2
secondary
#BFBBA3
accent
#B666C1
background
#F9F9FB
surface
#F1F1F6
border
#CBCBD0
text
#0D0D12
muted
#7E7E81