#6D3A77
Closest named color: Rebecca Purple (#663399). oklch(43.7% 0.112 320.9), rgb(109, 58, 119).
Aa
White text reads best on this color (8.32:1).
About this color
#6D3A77 is a dark, moderately saturated purple. In OKLCH its lightness is 44%, its chroma 0.112 and its hue 321°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Rebecca Purple (#663399), ΔE 0.063 away. White text reads best on it, at 8.32:1.
| Hue family | Purples |
| Lightness | dark (44%) |
| Chroma | moderately saturated (0.112) |
| Temperature | in between |
| Nearest name | Rebecca Purple (#663399) |
| Black text | 2.52:1 |
| White text | 8.32:1 |
Values
| HEX | #6D3A77 |
| RGB | rgb(109, 58, 119) |
| HSL | hsl(290, 34%, 35%) |
| OKLCH | oklch(43.7% 0.112 320.9) |
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 #6D3A77 | 8.32:1 | AAA | Lc -93.0 | Preferred for body text |
| Black text on #6D3A77 | 2.52:1 | Fails | Lc 15.6 | Dividers and decoration only |
| #6D3A77 text on white | 8.32:1 | AAA | Lc 88.4 | Fine for body text |
| #6D3A77 text on black | 2.52:1 | Fails | Lc -13.7 | 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
#F8F4F9
oklch(97.2% 0.008 319.4)
-
Step 100
100
#F0E6F2
oklch(93.6% 0.019 320.6)
-
Step 200
200
#E5D2E8
oklch(88.6% 0.036 321.6)
-
Step 300
300
#D5B3DB
oklch(80.9% 0.067 321.2)
-
Step 400
400
#BF8BC9
oklch(70.8% 0.105 320.9)
-
Step 500
500
#AE6CBB
oklch(63.1% 0.135 320.8)
-
Step 600
600
#9952A7
oklch(55.6% 0.147 320.8)
-
Step 700
700
#82428F
oklch(49% 0.136 320.6)
-
Step 800
800 (this color)
#6D3A77
oklch(43.7% 0.112 320.9)
-
Step 900
900
#56305E
oklch(37.7% 0.089 320.5)
-
Step 950
950
#331D37
oklch(27.1% 0.055 321.3)
#6D3A77 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) | #304A79 | 0.104 |
| Deuteranopia (no green cones) | #405075 | 0.092 |
| Tritanopia (no blue cones) | #6E4253 | 0.069 |
| Achromatopsia (no color) | #4E4E4E | 0.113 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6D3A77
#6D3A77
oklch(43.7% 0.112 320.9)
- #296020
#296020
oklch(43.6% 0.112 141)
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 #6D3A77, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rebecca Purple #663399 ΔE 0.063
- Light Eggplant #894585 ΔE 0.065
- Dark Slate Blue #483D8B ΔE 0.076
- Twilight #4E518B ΔE 0.078
- Brownish Purple #76424E ΔE 0.080
- Dusk #4E5481 ΔE 0.081
- Purple #800080 ΔE 0.085
- Blueberry #464196 ΔE 0.086
Use #6D3A77 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.