#6E63C7
Closest named color: Dark Periwinkle (#665FD1). oklch(55.9% 0.15 285.5), rgb(110, 99, 199).
Aa
White text reads best on this color (4.91:1).
About this color
#6E63C7 is a medium-dark, vivid purple. In OKLCH its lightness is 56%, its chroma 0.150 and its hue 285°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Periwinkle (#665FD1), ΔE 0.023 away. White text reads best on it, at 4.91:1.
| Hue family | Purples |
| Lightness | medium-dark (56%) |
| Chroma | vivid (0.150) |
| Temperature | cool |
| Nearest name | Dark Periwinkle (#665FD1) |
| Black text | 4.27:1 |
| White text | 4.91:1 |
Values
| HEX | #6E63C7 |
| RGB | rgb(110, 99, 199) |
| HSL | hsl(247, 47%, 58%) |
| OKLCH | oklch(55.9% 0.15 285.5) |
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 #6E63C7 | 4.91:1 | AA | Lc -79.3 | Fine for body text |
| Black text on #6E63C7 | 4.27:1 | AA large text | Lc 30.2 | Non-text elements, placeholder text |
| #6E63C7 text on white | 4.91:1 | AA | Lc 73.8 | Content text, not long reading |
| #6E63C7 text on black | 4.27:1 | AA large text | Lc -27.9 | 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
#F5F5FB
oklch(97.2% 0.008 286.3)
-
Step 100
100
#E8E8F7
oklch(93.5% 0.02 286)
-
Step 200
200
#D6D6F2
oklch(88.5% 0.038 285.6)
-
Step 300
300
#BCBBEB
oklch(80.9% 0.067 285.7)
-
Step 400
400
#9A97E1
oklch(70.8% 0.107 285.2)
-
Step 500
500
#837BD9
oklch(63.2% 0.138 285.6)
-
Step 600
600 (this color)
#6E63C7
oklch(55.9% 0.15 285.5)
-
Step 700
700
#5B51AB
oklch(49.1% 0.139 285.1)
-
Step 800
800
#4B438B
oklch(42.9% 0.115 285.5)
-
Step 900
900
#3E396F
oklch(37.8% 0.09 285.4)
-
Step 950
950
#242241
oklch(27.1% 0.057 284.9)
#6E63C7 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) | #3773CB | 0.071 |
| Deuteranopia (no green cones) | #346EC5 | 0.071 |
| Tritanopia (no blue cones) | #52788C | 0.126 |
| Achromatopsia (no color) | #717171 | 0.150 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6E63C7
#6E63C7
oklch(55.9% 0.15 285.5)
- #7E7700
#7E7700
oklch(55.8% 0.119 105.5)
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 #6E63C7, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Periwinkle #665FD1 ΔE 0.023
- Slate Blue #6A5ACD ΔE 0.026
- Light Indigo #6D5ACF ΔE 0.026
- Iris #6258C4 ΔE 0.035
- Deep Lavender #8D5EB7 ΔE 0.056
- Medium Slate Blue #7B68EE ΔE 0.063
- Purpley #8756E4 ΔE 0.066
- Royal Blue #4169E1 ΔE 0.067
Use #6E63C7 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.