#6C3355
Closest named color: Purple Brown (#673A3F). oklch(40.8% 0.092 345.2), rgb(108, 51, 85).
Aa
White text reads best on this color (9.36:1).
About this color
#6C3355 is a dark, moderately saturated red. In OKLCH its lightness is 41%, its chroma 0.092 and its hue 345°. Its hue sits on the warm side of the wheel. The nearest named color is Purple Brown (#673A3F), ΔE 0.047 away. White text reads best on it, at 9.36:1.
| Hue family | Reds |
| Lightness | dark (41%) |
| Chroma | moderately saturated (0.092) |
| Temperature | warm |
| Nearest name | Purple Brown (#673A3F) |
| Black text | 2.24:1 |
| White text | 9.36:1 |
Values
| HEX | #6C3355 |
| RGB | rgb(108, 51, 85) |
| HSL | hsl(324, 36%, 31%) |
| OKLCH | oklch(40.8% 0.092 345.2) |
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 #6C3355 | 9.36:1 | AAA | Lc -95.6 | Preferred for body text |
| Black text on #6C3355 | 2.24:1 | Fails | Lc 12.7 | Not readable |
| #6C3355 text on white | 9.36:1 | AAA | Lc 91.3 | Preferred for body text |
| #6C3355 text on black | 2.24:1 | Fails | Lc -11.1 | 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
#F9F4F6
oklch(97.2% 0.006 350.8)
-
Step 100
100
#F2E6EC
oklch(93.6% 0.015 345.6)
-
Step 200
200
#E9D2DE
oklch(88.6% 0.03 344.9)
-
Step 300
300
#DBB3C8
oklch(80.8% 0.054 345.5)
-
Step 400
400
#C88BAD
oklch(70.7% 0.086 345)
-
Step 500
500
#B96D98
oklch(63.2% 0.11 345.7)
-
Step 600
600
#A45483
oklch(55.7% 0.12 345.5)
-
Step 700
700
#8C446F
oklch(49.2% 0.111 345.2)
-
Step 800
800 (this color)
#6C3355
oklch(40.8% 0.092 345.2)
-
Step 900
900
#5C314A
oklch(37.7% 0.071 345.2)
-
Step 950
950
#361D2B
oklch(27% 0.045 345.9)
#6C3355 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) | #384156 | 0.098 |
| Deuteranopia (no green cones) | #474A54 | 0.089 |
| Tritanopia (no blue cones) | #723240 | 0.037 |
| Achromatopsia (no color) | #464646 | 0.093 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6C3355
#6C3355
oklch(40.8% 0.092 345.2)
- #00583E
#00583E
oklch(40.8% 0.086 165)
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 #6C3355, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Purple Brown #673A3F ΔE 0.047
- Brownish Purple #76424E ΔE 0.051
- Velvet #750851 ΔE 0.068
- Red Purple #820747 ΔE 0.071
- Wine #80013F ΔE 0.075
- Grape Purple #5D1451 ΔE 0.077
- Rich Purple #720058 ΔE 0.078
- Merlot #730039 ΔE 0.078
Use #6C3355 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.