#6C3155
Closest named color: Purple Brown (#673A3F). oklch(40.5% 0.096 344.7), rgb(108, 49, 85).
Aa
White text reads best on this color (9.51:1).
About this color
#6C3155 is a dark, moderately saturated purple. In OKLCH its lightness is 40%, its chroma 0.096 and its hue 345°. Its hue sits on the warm side of the wheel. The nearest named color is Purple Brown (#673A3F), ΔE 0.050 away. White text reads best on it, at 9.51:1.
| Hue family | Purples |
| Lightness | dark (40%) |
| Chroma | moderately saturated (0.096) |
| Temperature | warm |
| Nearest name | Purple Brown (#673A3F) |
| Black text | 2.20:1 |
| White text | 9.51:1 |
Values
| HEX | #6C3155 |
| RGB | rgb(108, 49, 85) |
| HSL | hsl(323, 38%, 31%) |
| OKLCH | oklch(40.5% 0.096 344.7) |
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 #6C3155 | 9.51:1 | AAA | Lc -95.9 | Preferred for body text |
| Black text on #6C3155 | 2.20:1 | Fails | Lc 12.3 | Not readable |
| #6C3155 text on white | 9.51:1 | AAA | Lc 91.6 | Preferred for body text |
| #6C3155 text on black | 2.20:1 | Fails | Lc -10.8 | 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
#F9F3F7
oklch(97% 0.008 337.4)
-
Step 100
100
#F2E6EC
oklch(93.6% 0.015 345.6)
-
Step 200
200
#E9D1DE
oklch(88.4% 0.032 343.9)
-
Step 300
300
#DCB3C9
oklch(81% 0.055 344.9)
-
Step 400
400
#C98AAE
oklch(70.7% 0.09 344.4)
-
Step 500
500
#BA6C9A
oklch(63.2% 0.114 344.6)
-
Step 600
600
#A55284
oklch(55.6% 0.125 344.9)
-
Step 700
700
#8D4270
oklch(49% 0.117 344.5)
-
Step 800
800 (this color)
#6C3155
oklch(40.5% 0.096 344.7)
-
Step 900
900
#5D304B
oklch(37.7% 0.075 344.4)
-
Step 950
950
#371D2C
oklch(27.2% 0.047 345.1)
#6C3155 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) | #363F56 | 0.102 |
| Deuteranopia (no green cones) | #464953 | 0.092 |
| Tritanopia (no blue cones) | #72313F | 0.039 |
| Achromatopsia (no color) | #464646 | 0.097 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6C3155
#6C3155
oklch(40.5% 0.096 344.7)
- #00573D
#00573D
oklch(40.5% 0.085 164.8)
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 #6C3155, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Purple Brown #673A3F ΔE 0.050
- Brownish Purple #76424E ΔE 0.056
- Velvet #750851 ΔE 0.063
- Red Purple #820747 ΔE 0.067
- Wine #80013F ΔE 0.072
- Grape Purple #5D1451 ΔE 0.073
- Rich Purple #720058 ΔE 0.073
- Merlot #730039 ΔE 0.075
Use #6C3155 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.