#6C3F83
Closest named color: Rebecca Purple (#663399). oklch(45.1% 0.117 313.1), rgb(108, 63, 131).
Aa
White text reads best on this color (7.84:1).
About this color
#6C3F83 is a medium-dark, moderately saturated purple. In OKLCH its lightness is 45%, its chroma 0.117 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 0.050 away. White text reads best on it, at 7.84:1.
| Hue family | Purples |
| Lightness | medium-dark (45%) |
| Chroma | moderately saturated (0.117) |
| Temperature | in between |
| Nearest name | Rebecca Purple (#663399) |
| Black text | 2.67:1 |
| White text | 7.84:1 |
Values
| HEX | #6C3F83 |
| RGB | rgb(108, 63, 131) |
| HSL | hsl(280, 35%, 38%) |
| OKLCH | oklch(45.1% 0.117 313.1) |
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 #6C3F83 | 7.84:1 | AAA | Lc -91.7 | Preferred for body text |
| Black text on #6C3F83 | 2.67:1 | Fails | Lc 17.0 | Dividers and decoration only |
| #6C3F83 text on white | 7.84:1 | AAA | Lc 87.0 | Fine for body text |
| #6C3F83 text on black | 2.67:1 | Fails | Lc -15.1 | 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
#F8F4FA
oklch(97.2% 0.009 314.8)
-
Step 100
100
#EFE6F4
oklch(93.6% 0.021 313.8)
-
Step 200
200
#E2D2EB
oklch(88.4% 0.038 313.6)
-
Step 300
300
#D0B4E1
oklch(80.9% 0.069 312.6)
-
Step 400
400
#B98CD1
oklch(70.7% 0.109 313.4)
-
Step 500
500
#A76EC5
oklch(63.2% 0.139 313.1)
-
Step 600
600
#9254B1
oklch(55.6% 0.151 313.3)
-
Step 700
700
#7C4498
oklch(49.1% 0.14 313.2)
-
Step 800
800 (this color)
#6C3F83
oklch(45.1% 0.117 313.1)
-
Step 900
900
#523164
oklch(37.7% 0.092 312.6)
-
Step 950
950
#301D3A
oklch(26.9% 0.058 313.2)
#6C3F83 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) | #2F4F85 | 0.099 |
| Deuteranopia (no green cones) | #3D5381 | 0.089 |
| Tritanopia (no blue cones) | #6A4A5B | 0.080 |
| Achromatopsia (no color) | #525252 | 0.118 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6C3F83
#6C3F83
oklch(45.1% 0.117 313.1)
- #3A6311
#3A6311
oklch(45.2% 0.118 133.2)
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 #6C3F83, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rebecca Purple #663399 ΔE 0.050
- Light Eggplant #894585 ΔE 0.059
- Twilight #4E518B ΔE 0.065
- Dark Slate Blue #483D8B ΔE 0.068
- Dusk #4E5481 ΔE 0.072
- Blueberry #464196 ΔE 0.074
- Dusty Grape #545775 ΔE 0.082
- Muted Purple #805B87 ΔE 0.085
Use #6C3F83 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.