#6B64AC
Closest named color: French Blue (#436BAD). oklch(54.2% 0.11 286.5), rgb(107, 100, 172).
Aa
White text reads best on this color (5.19:1).
About this color
#6B64AC is a medium-dark, moderately saturated purple. In OKLCH its lightness is 54%, its chroma 0.110 and its hue 287°. Its hue sits on the cool side of the wheel. The nearest named color is French Blue (#436BAD), ΔE 0.053 away. White text reads best on it, at 5.19:1.
| Hue family | Purples |
| Lightness | medium-dark (54%) |
| Chroma | moderately saturated (0.110) |
| Temperature | cool |
| Nearest name | French Blue (#436BAD) |
| Black text | 4.04:1 |
| White text | 5.19:1 |
Values
| HEX | #6B64AC |
| RGB | rgb(107, 100, 172) |
| HSL | hsl(246, 30%, 53%) |
| OKLCH | oklch(54.2% 0.11 286.5) |
Contrast
WCAG 2 contrast ratios are the conformance target: AA needs 4.5:1 for body text and 3:1 for large text, AAA needs 7:1. APCA Lc values are supplementary guidance from the WCAG 3 drafts.
| Pair | WCAG 2 | Result | APCA | APCA guidance |
|---|---|---|---|---|
| White text on #6B64AC | 5.19:1 | AA | Lc -81.0 | Fine for body text |
| Black text on #6B64AC | 4.04:1 | AA large text | Lc 28.4 | Dividers and decoration only |
| #6B64AC text on white | 5.19:1 | AA | Lc 75.6 | Fine for body text |
| #6B64AC text on black | 4.04:1 | AA large text | Lc -26.1 | Dividers and decoration only |
Tints and shades
A 50–950 scale built in OKLCH: the hue is held, lightness follows a Tailwind v4-like curve, and every step is kept inside the sRGB gamut. This color sits at step 600.
-
Step 50
50
#F5F5FA
oklch(97.2% 0.007 286.3)
-
Step 100
100
#E9E9F3
oklch(93.7% 0.013 286.1)
-
Step 200
200
#D7D7EB
oklch(88.5% 0.027 285.8)
-
Step 300
300
#BDBCE0
oklch(80.8% 0.05 286.5)
-
Step 400
400
#9C99D0
oklch(70.6% 0.08 286.7)
-
Step 500
500
#8580C4
oklch(63.2% 0.101 286.5)
-
Step 600
600 (this color)
#6B64AC
oklch(54.2% 0.11 286.5)
-
Step 700
700
#5D5698
oklch(49% 0.104 286.8)
-
Step 800
800
#4C477B
oklch(42.7% 0.085 286.6)
-
Step 900
900
#3F3C63
oklch(37.7% 0.066 286.3)
-
Step 950
950
#25233A
oklch(27% 0.042 287.2)
#6B64AC with color blindness
Simulated with the Machado et al. (2009) model. ΔE is how far the color moves: below about 0.02 you would not notice a change.
| Vision | Seen as | Shift (ΔE) |
|---|---|---|
| Protanopia (no red cones) | #4C6FAF | 0.047 |
| Deuteranopia (no green cones) | #4B6BAA | 0.046 |
| Tritanopia (no blue cones) | #597280 | 0.094 |
| Achromatopsia (no color) | #6D6D6D | 0.111 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6B64AC
#6B64AC
oklch(54.2% 0.11 286.5)
- #777311
#777311
oklch(54.2% 0.111 107)
Analogous
Neighbouring hues, 30° either side.
Split complementary
The two hues beside the complement (150° and 210°).
Triadic
Three hues spaced 120° apart.
Palettes with this color
Curated palettes that contain a color within ΔE 0.04 (OKLab) of #6B64AC, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- French Blue #436BAD ΔE 0.053
- Dark Lavender #856798 ΔE 0.054
- Iris #6258C4 ΔE 0.055
- Deep Lavender #8D5EB7 ΔE 0.060
- Slate Blue #6A5ACD ΔE 0.061
- Dark Periwinkle #665FD1 ΔE 0.062
- Light Indigo #6D5ACF ΔE 0.063
- Muted Purple #805B87 ΔE 0.065
Use #6B64AC in your product
Turn it into light and dark UI roles checked for contrast, then export to Tailwind v4, shadcn/ui, CSS or design tokens.