#6C3366
Closest named color: Brownish Purple (#76424E). oklch(41.6% 0.107 331.4), rgb(108, 51, 102).
Aa
White text reads best on this color (9.11:1).
About this color
#6C3366 is a dark, moderately saturated purple. In OKLCH its lightness is 42%, its chroma 0.107 and its hue 331°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Brownish Purple (#76424E), ΔE 0.069 away. White text reads best on it, at 9.11:1.
| Hue family | Purples |
| Lightness | dark (42%) |
| Chroma | moderately saturated (0.107) |
| Temperature | in between |
| Nearest name | Brownish Purple (#76424E) |
| Black text | 2.30:1 |
| White text | 9.11:1 |
Values
| HEX | #6C3366 |
| RGB | rgb(108, 51, 102) |
| HSL | hsl(306, 36%, 31%) |
| OKLCH | oklch(41.6% 0.107 331.4) |
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 #6C3366 | 9.11:1 | AAA | Lc -95.0 | Preferred for body text |
| Black text on #6C3366 | 2.30:1 | Fails | Lc 13.4 | Not readable |
| #6C3366 text on white | 9.11:1 | AAA | Lc 90.6 | Preferred for body text |
| #6C3366 text on black | 2.30:1 | Fails | Lc -11.7 | 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
#F9F3F8
oklch(97% 0.009 330.9)
-
Step 100
100
#F1E6EF
oklch(93.6% 0.017 331.6)
-
Step 200
200
#E7D1E4
oklch(88.4% 0.035 330.3)
-
Step 300
300
#D9B2D3
oklch(80.8% 0.063 331.4)
-
Step 400
400
#C589BD
oklch(70.6% 0.1 331.3)
-
Step 500
500
#B56BAC
oklch(63.1% 0.127 331.5)
-
Step 600
600
#A05198
oklch(55.6% 0.139 331.1)
-
Step 700
700
#894181
oklch(49.1% 0.129 331.7)
-
Step 800
800 (this color)
#6C3366
oklch(41.6% 0.107 331.4)
-
Step 900
900
#5A2F55
oklch(37.5% 0.083 331.5)
-
Step 950
950
#351C32
oklch(27% 0.053 331.4)
#6C3366 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) | #314368 | 0.107 |
| Deuteranopia (no green cones) | #414B64 | 0.096 |
| Tritanopia (no blue cones) | #703748 | 0.056 |
| Achromatopsia (no color) | #484848 | 0.108 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6C3366
#6C3366
oklch(41.6% 0.107 331.4)
- #085C2C
#085C2C
oklch(41.7% 0.107 151.3)
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 #6C3366, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Brownish Purple #76424E ΔE 0.069
- Velvet #750851 ΔE 0.069
- Rich Purple #720058 ΔE 0.073
- Purple Brown #673A3F ΔE 0.074
- Grape Purple #5D1451 ΔE 0.078
- Red Purple #820747 ΔE 0.080
- Light Eggplant #894585 ΔE 0.085
- Rebecca Purple #663399 ΔE 0.086
Use #6C3366 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.