#6E64DF
Closest named color: Dark Periwinkle (#665FD1). oklch(57.7% 0.181 282.8), rgb(110, 100, 223).
Aa
White text reads best on this color (4.61:1).
About this color
#6E64DF is a medium-dark, vivid purple. In OKLCH its lightness is 58%, its chroma 0.181 and its hue 283°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Periwinkle (#665FD1), ΔE 0.027 away. White text reads best on it, at 4.61:1.
| Hue family | Purples |
| Lightness | medium-dark (58%) |
| Chroma | vivid (0.181) |
| Temperature | cool |
| Nearest name | Dark Periwinkle (#665FD1) |
| Black text | 4.55:1 |
| White text | 4.61:1 |
Values
| HEX | #6E64DF |
| RGB | rgb(110, 100, 223) |
| HSL | hsl(245, 66%, 63%) |
| OKLCH | oklch(57.7% 0.181 282.8) |
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 #6E64DF | 4.61:1 | AA | Lc -77.2 | Fine for body text |
| Black text on #6E64DF | 4.55:1 | AA | Lc 32.3 | Non-text elements, placeholder text |
| #6E64DF text on white | 4.61:1 | AA | Lc 71.7 | Content text, not long reading |
| #6E64DF text on black | 4.55:1 | AA | Lc -29.9 | 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
#F4F5FD
oklch(97.2% 0.011 280.5)
-
Step 100
100
#E7E8FA
oklch(93.6% 0.024 283.4)
-
Step 200
200
#D4D6F7
oklch(88.5% 0.045 282.7)
-
Step 300
300
#B8BAF4
oklch(80.8% 0.082 282.9)
-
Step 400
400
#9595EF
oklch(70.7% 0.13 282.6)
-
Step 500
500
#7D78EA
oklch(63.1% 0.167 282.5)
-
Step 600
600 (this color)
#6E64DF
oklch(57.7% 0.181 282.8)
-
Step 700
700
#574CBB
oklch(49% 0.168 282.7)
-
Step 800
800
#473F97
oklch(42.6% 0.139 282.9)
-
Step 900
900
#3B3779
oklch(37.8% 0.109 282.6)
-
Step 950
950
#222147
oklch(27.1% 0.069 282)
#6E64DF 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) | #1379E3 | 0.088 |
| Deuteranopia (no green cones) | #0071DC | 0.090 |
| Tritanopia (no blue cones) | #428098 | 0.154 |
| Achromatopsia (no color) | #757575 | 0.182 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6E64DF
#6E64DF
oklch(57.7% 0.181 282.8)
- #877B00
#877B00
oklch(57.6% 0.121 102.6)
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 #6E64DF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Periwinkle #665FD1 ΔE 0.027
- Medium Slate Blue #7B68EE ΔE 0.032
- Light Indigo #6D5ACF ΔE 0.032
- Slate Blue #6A5ACD ΔE 0.036
- Purpley #8756E4 ΔE 0.048
- Iris #6258C4 ΔE 0.053
- Royal Blue #4169E1 ΔE 0.056
- Cornflower #6A79F7 ΔE 0.058
Use #6E64DF 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.