#6D3773
Closest named color: Rebecca Purple (#663399). oklch(43% 0.114 323.5), rgb(109, 55, 115).
Aa
White text reads best on this color (8.59:1).
About this color
#6D3773 is a dark, moderately saturated purple. In OKLCH its lightness is 43%, its chroma 0.114 and its hue 323°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Rebecca Purple (#663399), ΔE 0.067 away. White text reads best on it, at 8.59:1.
| Hue family | Purples |
| Lightness | dark (43%) |
| Chroma | moderately saturated (0.114) |
| Temperature | in between |
| Nearest name | Rebecca Purple (#663399) |
| Black text | 2.44:1 |
| White text | 8.59:1 |
Values
| HEX | #6D3773 |
| RGB | rgb(109, 55, 115) |
| HSL | hsl(294, 35%, 33%) |
| OKLCH | oklch(43% 0.114 323.5) |
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 #6D3773 | 8.59:1 | AAA | Lc -93.7 | Preferred for body text |
| Black text on #6D3773 | 2.44:1 | Fails | Lc 14.8 | Not readable |
| #6D3773 text on white | 8.59:1 | AAA | Lc 89.2 | Fine for body text |
| #6D3773 text on black | 2.44:1 | Fails | Lc -13.0 | 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
#F8F3F9
oklch(97% 0.01 320.5)
-
Step 100
100
#F0E6F1
oklch(93.6% 0.018 323)
-
Step 200
200
#E6D1E7
oklch(88.4% 0.037 324.5)
-
Step 300
300
#D6B3DA
oklch(81% 0.066 322.9)
-
Step 400
400
#C18AC7
oklch(70.8% 0.106 323.2)
-
Step 500
500
#B16BB8
oklch(63.2% 0.136 323.7)
-
Step 600
600
#9C51A4
oklch(55.7% 0.147 323.6)
-
Step 700
700
#85418C
oklch(49.1% 0.137 323.8)
-
Step 800
800 (this color)
#6D3773
oklch(43% 0.114 323.5)
-
Step 900
900
#58305C
oklch(37.8% 0.088 323.8)
-
Step 950
950
#331C36
oklch(26.9% 0.056 322.8)
#6D3773 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) | #2F4875 | 0.108 |
| Deuteranopia (no green cones) | #3F4E71 | 0.096 |
| Tritanopia (no blue cones) | #6F3E50 | 0.067 |
| Achromatopsia (no color) | #4C4C4C | 0.114 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6D3773
#6D3773
oklch(43% 0.114 323.5)
- #215F21
#215F21
oklch(43% 0.114 143.3)
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 #6D3773, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rebecca Purple #663399 ΔE 0.067
- Light Eggplant #894585 ΔE 0.071
- Brownish Purple #76424E ΔE 0.078
- Dark Slate Blue #483D8B ΔE 0.079
- Purple #800080 ΔE 0.081
- Twilight #4E518B ΔE 0.085
- Velvet #750851 ΔE 0.085
- Rich Purple #720058 ΔE 0.086
Use #6D3773 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.