#6C3B85
Closest named color: Rebecca Purple (#663399). oklch(44.6% 0.126 313), rgb(108, 59, 133).
Aa
White text reads best on this color (8.07:1).
About this color
#6C3B85 is a dark, moderately saturated purple. In OKLCH its lightness is 45%, its chroma 0.126 and its hue 313°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Rebecca Purple (#663399), ΔE 0.042 away. White text reads best on it, at 8.07:1.
| Hue family | Purples |
| Lightness | dark (45%) |
| Chroma | moderately saturated (0.126) |
| Temperature | in between |
| Nearest name | Rebecca Purple (#663399) |
| Black text | 2.60:1 |
| White text | 8.07:1 |
Values
| HEX | #6C3B85 |
| RGB | rgb(108, 59, 133) |
| HSL | hsl(280, 39%, 38%) |
| OKLCH | oklch(44.6% 0.126 313) |
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 #6C3B85 | 8.07:1 | AAA | Lc -92.3 | Preferred for body text |
| Black text on #6C3B85 | 2.60:1 | Fails | Lc 16.4 | Dividers and decoration only |
| #6C3B85 text on white | 8.07:1 | AAA | Lc 87.6 | Fine for body text |
| #6C3B85 text on black | 2.60:1 | Fails | Lc -14.5 | Not readable |
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
#F8F4FA
oklch(97.2% 0.009 314.8)
-
Step 100
100
#EFE6F4
oklch(93.6% 0.021 313.8)
-
Step 200
200
#E3D2ED
oklch(88.6% 0.041 313.2)
-
Step 300
300
#D1B3E3
oklch(80.8% 0.074 312.7)
-
Step 400
400
#BA8AD5
oklch(70.7% 0.118 312.8)
-
Step 500
500
#A96BCA
oklch(63.2% 0.151 312.9)
-
Step 600
600
#9450B6
oklch(55.6% 0.164 313.1)
-
Step 700
700
#7E409D
oklch(49.1% 0.153 312.9)
-
Step 800
800 (this color)
#6C3B85
oklch(44.6% 0.126 313)
-
Step 900
900
#532F66
oklch(37.6% 0.099 312.8)
-
Step 950
950
#311C3C
oklch(27% 0.063 313.1)
#6C3B85 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) | #284D87 | 0.109 |
| Deuteranopia (no green cones) | #385183 | 0.097 |
| Tritanopia (no blue cones) | #6A475A | 0.085 |
| Achromatopsia (no color) | #505050 | 0.127 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6C3B85
#6C3B85
oklch(44.6% 0.126 313)
- #366200
#366200
oklch(44.6% 0.126 133.1)
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 #6C3B85, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rebecca Purple #663399 ΔE 0.042
- Light Eggplant #894585 ΔE 0.064
- Dark Slate Blue #483D8B ΔE 0.066
- Twilight #4E518B ΔE 0.072
- Blueberry #464196 ΔE 0.073
- Dusk #4E5481 ΔE 0.081
- Warm Purple #952E8F ΔE 0.082
- Purple #800080 ΔE 0.083
Use #6C3B85 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.