#6B64EA
Closest named color: Medium Slate Blue (#7B68EE). oklch(58.2% 0.196 280.8), rgb(107, 100, 234).
Aa
Black text reads best on this color (4.63:1).
About this color
#6B64EA is a medium-dark, vivid purple. In OKLCH its lightness is 58%, its chroma 0.196 and its hue 281°. Its hue sits on the cool side of the wheel. The nearest named color is Medium Slate Blue (#7B68EE), ΔE 0.027 away. Black text reads best on it, at 4.63:1.
| Hue family | Purples |
| Lightness | medium-dark (58%) |
| Chroma | vivid (0.196) |
| Temperature | cool |
| Nearest name | Medium Slate Blue (#7B68EE) |
| Black text | 4.63:1 |
| White text | 4.52:1 |
Values
| HEX | #6B64EA |
| RGB | rgb(107, 100, 234) |
| HSL | hsl(243, 76%, 65%) |
| OKLCH | oklch(58.2% 0.196 280.8) |
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 #6B64EA | 4.52:1 | AA | Lc -76.5 | Fine for body text |
| Black text on #6B64EA | 4.63:1 | AA | Lc 33.0 | Non-text elements, placeholder text |
| #6B64EA text on white | 4.52:1 | AA | Lc 71.1 | Content text, not long reading |
| #6B64EA text on black | 4.63:1 | AA | Lc -30.6 | Non-text elements, placeholder text |
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
#F4F5FE
oklch(97.2% 0.012 281.1)
-
Step 100
100
#E6E8FB
oklch(93.5% 0.026 281.1)
-
Step 200
200
#D3D6FA
oklch(88.5% 0.05 281.6)
-
Step 300
300
#B6BBF9
oklch(81% 0.088 280.7)
-
Step 400
400
#9195F6
oklch(70.8% 0.14 280.4)
-
Step 500
500
#7977F2
oklch(63.2% 0.179 280.7)
-
Step 600
600 (this color)
#6B64EA
oklch(58.2% 0.196 280.8)
-
Step 700
700
#534AC3
oklch(49% 0.182 280.6)
-
Step 800
800
#443E9E
oklch(42.8% 0.151 280.7)
-
Step 900
900
#38367D
oklch(37.6% 0.117 280.4)
-
Step 950
950
#212049
oklch(26.9% 0.074 281.3)
#6B64EA 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) | #007BEE | 0.088 |
| Deuteranopia (no green cones) | #0071E7 | 0.084 |
| Tritanopia (no blue cones) | #2E839D | 0.168 |
| Achromatopsia (no color) | #767676 | 0.197 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6B64EA
#6B64EA
oklch(58.2% 0.196 280.8)
- #8B7C00
#8B7C00
oklch(58.2% 0.121 100.9)
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 #6B64EA, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Medium Slate Blue #7B68EE ΔE 0.027
- Dark Periwinkle #665FD1 ΔE 0.040
- Light Indigo #6D5ACF ΔE 0.046
- Slate Blue #6A5ACD ΔE 0.049
- Purpley #8756E4 ΔE 0.051
- Cornflower #6A79F7 ΔE 0.051
- Neon Blue #4361EE ΔE 0.053
- Royal Blue #4169E1 ΔE 0.054
Use #6B64EA 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.