#6B66DB#6B66DB
#6B66DB is a mid, vivid blue. Relative luminance 0.177; OKLCH L 57.5% C 0.174 H 281.4°. Best body text is #FFFFFF at 4.62:1 contrast (WCAG AA passes).
Color values
| HEX | #6B66DB |
|---|---|
| RGB | rgb(107, 102, 219) |
| HSL | hsl(243, 62%, 63%) |
| HSV | hsv(243, 53%, 86%) |
| CMYK | cmyk(51.1%, 53.4%, 0%, 14.1%) |
| CIE-LAB | lab(49.18, 33.30, -59.56) |
| CIE-LCH | lch(49.18, 68.24, 299.21°) |
| OKLab | oklab(57.53% 0.0342 -0.1701) |
| OKLCH | oklch(57.53% 0.174 281.4) |
| XYZ | xyz(23.5970, 17.7417, 69.1852) |
| Luminance | 0.1774 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Dark Periwinkle
#665FD1
ΔE00 2.76
Mediumslateblue
#7B68EE
ΔE00 3.95
Light Indigo
#6D5ACF
ΔE00 4.32
Slate Blue
#6A5ACD
ΔE00 4.38
Iris
#6258C4
ΔE00 5.68
Warm Blue
#4B57DB
ΔE00 6.29
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#6B66DB #D6DB66
analogous
#669BDB #6B66DB #A566DB
triadic
#6B66DB #DB6B66 #66DB6B
tetradic
#6B66DB #DB669B #D6DB66 #66DBA5
square
#6B66DB #DB669B #D6DB66 #66DBA5
split-complementary
#6B66DB #DBA566 #9BDB66
monochromatic
#2B26A1 #3B34CF #6B66DB #9B98E7 #CBC9F2
Accessibility & contrast
On white
4.62
#6B66DB on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
4.55
#6B66DB on #000000
AA ✓AA large ✓AAA ✗
Best text color
#FFFFFF on #6B66DB
4.62:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##6B66DB | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##6B66DB | 1.00 | 4.62 | 4.55 | 4.62 |
| #FFFFFF | 4.62 | 1.00 | 21.00 | 1.00 |
| #000000 | 4.55 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 4.62 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#2379DF
Deuteranopia (green-blind)
#1471D9
Tritanopia (blue-blind)
#3E8097
Achromatopsia (no color)
#757575
Design tokens & code
CSS
--color: #6b66db; /* rgb */ color: rgb(107, 102, 219); /* oklch */ color: oklch(57.5% 0.174 281.4);
Tailwind
colors: {
custom: {
50: '#9d91e7',
500: '#6b66db',
950: '#000000',
},
}SCSS
$custom: #6b66db; $custom-light: #9d91e7; $custom-dark: #000000;
JSON
{
"hex": "#6b66db",
"rgb": {
"r": 107,
"g": 102,
"b": 219
},
"hsl": {
"h": 242.564,
"s": 61.905,
"l": 62.941
},
"oklch": {
"l": 0.57528,
"c": 0.17354,
"h": 281.4
},
"luminance": 0.17743
}Semantic roles & 50–950 ramp
primary
#6B66DB
secondary
#E2E3B9
accent
#CA1CC2
background
#FAF8FE
surface
#F4F0FC
border
#CECBD5
text
#0F0D16
muted
#7F7D84