#6C3668
Closest named color: Brownish Purple (#76424E). oklch(42.2% 0.103 330), rgb(108, 54, 104).
Aa
White text reads best on this color (8.87:1).
About this color
#6C3668 is a dark, moderately saturated purple. In OKLCH its lightness is 42%, its chroma 0.103 and its hue 330°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Brownish Purple (#76424E), ΔE 0.066 away. White text reads best on it, at 8.87:1.
| Hue family | Purples |
| Lightness | dark (42%) |
| Chroma | moderately saturated (0.103) |
| Temperature | in between |
| Nearest name | Brownish Purple (#76424E) |
| Black text | 2.36:1 |
| White text | 8.87:1 |
Values
| HEX | #6C3668 |
| RGB | rgb(108, 54, 104) |
| HSL | hsl(304, 33%, 32%) |
| OKLCH | oklch(42.2% 0.103 330) |
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 #6C3668 | 8.87:1 | AAA | Lc -94.5 | Preferred for body text |
| Black text on #6C3668 | 2.36:1 | Fails | Lc 14.0 | Not readable |
| #6C3668 text on white | 8.87:1 | AAA | Lc 90.0 | Preferred for body text |
| #6C3668 text on black | 2.36:1 | Fails | Lc -12.3 | 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
#F9F4F8
oklch(97.2% 0.007 332.1)
-
Step 100
100
#F1E6EF
oklch(93.6% 0.017 331.6)
-
Step 200
200
#E7D2E4
oklch(88.6% 0.033 330.5)
-
Step 300
300
#D8B3D3
oklch(80.9% 0.06 330.6)
-
Step 400
400
#C38ABD
oklch(70.6% 0.097 330.2)
-
Step 500
500
#B36CAD
oklch(63.1% 0.124 330)
-
Step 600
600
#9E5398
oklch(55.7% 0.134 330.2)
-
Step 700
700
#874382
oklch(49.2% 0.125 330.1)
-
Step 800
800 (this color)
#6C3668
oklch(42.2% 0.103 330)
-
Step 900
900
#593056
oklch(37.6% 0.082 329.7)
-
Step 950
950
#341D32
oklch(27% 0.05 330)
#6C3668 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) | #33456A | 0.102 |
| Deuteranopia (no green cones) | #424D66 | 0.093 |
| Tritanopia (no blue cones) | #703A4A | 0.056 |
| Achromatopsia (no color) | #4A4A4A | 0.104 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6C3668
#6C3668
oklch(42.2% 0.103 330)
- #165D2D
#165D2D
oklch(42.3% 0.104 149.8)
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 #6C3668, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Brownish Purple #76424E ΔE 0.066
- Purple Brown #673A3F ΔE 0.073
- Velvet #750851 ΔE 0.076
- Rich Purple #720058 ΔE 0.080
- Light Eggplant #894585 ΔE 0.080
- Rebecca Purple #663399 ΔE 0.084
- Grape Purple #5D1451 ΔE 0.084
- Red Purple #820747 ΔE 0.085
Use #6C3668 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.