#6B3D94
Closest named color: Rebecca Purple (#663399). oklch(45.7% 0.141 306), rgb(107, 61, 148).
Aa
White text reads best on this color (7.71:1).
About this color
#6B3D94 is a medium-dark, vivid purple. In OKLCH its lightness is 46%, its chroma 0.141 and its hue 306°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Rebecca Purple (#663399), ΔE 0.027 away. White text reads best on it, at 7.71:1.
| Hue family | Purples |
| Lightness | medium-dark (46%) |
| Chroma | vivid (0.141) |
| Temperature | in between |
| Nearest name | Rebecca Purple (#663399) |
| Black text | 2.72:1 |
| White text | 7.71:1 |
Values
| HEX | #6B3D94 |
| RGB | rgb(107, 61, 148) |
| HSL | hsl(272, 42%, 41%) |
| OKLCH | oklch(45.7% 0.141 306) |
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 #6B3D94 | 7.71:1 | AAA | Lc -91.2 | Preferred for body text |
| Black text on #6B3D94 | 2.72:1 | Fails | Lc 17.6 | Dividers and decoration only |
| #6B3D94 text on white | 7.71:1 | AAA | Lc 86.4 | Fine for body text |
| #6B3D94 text on black | 2.72:1 | Fails | Lc -15.6 | 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 800.
-
Step 50
50
#F7F4FB
oklch(97.1% 0.01 305.4)
-
Step 100
100
#EEE6F7
oklch(93.6% 0.024 307)
-
Step 200
200
#E0D2F2
oklch(88.5% 0.046 305.2)
-
Step 300
300
#CEB3EB
oklch(80.9% 0.083 306.5)
-
Step 400
400
#B58AE1
oklch(70.7% 0.131 306.1)
-
Step 500
500
#A36AD9
oklch(63.2% 0.168 305.9)
-
Step 600
600
#8E4EC6
oklch(55.6% 0.183 305.9)
-
Step 700
700
#793EAB
oklch(49.1% 0.17 306)
-
Step 800
800 (this color)
#6B3D94
oklch(45.7% 0.141 306)
-
Step 900
900
#502F6F
oklch(37.8% 0.109 305.6)
-
Step 950
950
#2F1C41
oklch(27% 0.07 306)
#6B3D94 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) | #1B5197 | 0.114 |
| Deuteranopia (no green cones) | #2D5392 | 0.103 |
| Tritanopia (no blue cones) | #644E62 | 0.103 |
| Achromatopsia (no color) | #535353 | 0.141 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6B3D94
#6B3D94
oklch(45.7% 0.141 306)
- #476200
#476200
oklch(45.7% 0.117 126.1)
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 #6B3D94, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rebecca Purple #663399 ΔE 0.027
- Dark Slate Blue #483D8B ΔE 0.065
- Blueberry #464196 ΔE 0.065
- Light Eggplant #894585 ΔE 0.070
- Twilight #4E518B ΔE 0.070
- Bluey Purple #6241C7 ΔE 0.083
- Warm Purple #952E8F ΔE 0.084
- Dusk #4E5481 ΔE 0.084
Use #6B3D94 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.