#6A66C8#6A66C8
#6A66C8 is a mid, vivid blue. Relative luminance 0.167; OKLCH L 56.2% C 0.148 H 282.4°. Best body text is #FFFFFF at 4.83:1 contrast (WCAG AA passes).
Color values
| HEX | #6A66C8 |
|---|---|
| RGB | rgb(106, 102, 200) |
| HSL | hsl(242, 47%, 59%) |
| HSV | hsv(242, 49%, 78%) |
| CMYK | cmyk(47%, 49%, 0%, 21.6%) |
| CIE-LAB | lab(47.93, 27.29, -50.74) |
| CIE-LCH | lch(47.93, 57.61, 298.28°) |
| OKLab | oklab(56.19% 0.0317 -0.1442) |
| OKLCH | oklch(56.19% 0.148 282.4) |
| XYZ | xyz(21.1174, 16.7360, 56.7500) |
| Luminance | 0.1674 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Dark Periwinkle
#665FD1
ΔE00 2.71
Slate Blue
#6A5ACD
ΔE00 4.00
Light Indigo
#6D5ACF
ΔE00 4.17
Iris
#6258C4
ΔE00 4.60
Mediumslateblue
#7B68EE
ΔE00 6.32
Warm Blue
#4B57DB
ΔE00 6.74
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#6A66C8 #C4C866
analogous
#6693C8 #6A66C8 #9B66C8
triadic
#6A66C8 #C86A66 #66C86A
tetradic
#6A66C8 #C86693 #C4C866 #66C89B
square
#6A66C8 #C86693 #C4C866 #66C89B
split-complementary
#6A66C8 #C89B66 #93C866
monochromatic
#332F84 #4440B1 #6A66C8 #9693D8 #C2C0E8
Accessibility & contrast
On white
4.83
#6A66C8 on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
4.35
#6A66C8 on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #6A66C8
4.83:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##6A66C8 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##6A66C8 | 1.00 | 4.83 | 4.35 | 4.83 |
| #FFFFFF | 4.83 | 1.00 | 21.00 | 1.00 |
| #000000 | 4.35 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 4.83 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#3B75CC
Deuteranopia (green-blind)
#356EC6
Tritanopia (blue-blind)
#497B8D
Achromatopsia (no color)
#727272
Design tokens & code
CSS
--color: #6a66c8; /* rgb */ color: rgb(106, 102, 200); /* oklch */ color: oklch(56.2% 0.148 282.4);
Tailwind
colors: {
custom: {
50: '#9a91d9',
500: '#6a66c8',
950: '#000000',
},
}SCSS
$custom: #6a66c8; $custom-light: #9a91d9; $custom-dark: #000000;
JSON
{
"hex": "#6a66c8",
"rgb": {
"r": 106,
"g": 102,
"b": 200
},
"hsl": {
"h": 242.449,
"s": 47.115,
"l": 59.216
},
"oklch": {
"l": 0.56189,
"c": 0.14766,
"h": 282.4
},
"luminance": 0.16737
}Semantic roles & 50–950 ramp
primary
#6A66C8
secondary
#D6D8B2
accent
#D751D1
background
#F9F8FD
surface
#F2F0FA
border
#CCCBD3
text
#0E0C15
muted
#7E7D83