#643353
Closest named color: Purple Brown (#673A3F). oklch(39.6% 0.083 341.9), rgb(100, 51, 83).
Aa
White text reads best on this color (9.81:1).
About this color
#643353 is a dark, moderately saturated purple. In OKLCH its lightness is 40%, its chroma 0.083 and its hue 342°. Its hue sits on the warm side of the wheel. The nearest named color is Purple Brown (#673A3F), ΔE 0.045 away. White text reads best on it, at 9.81:1.
| Hue family | Purples |
| Lightness | dark (40%) |
| Chroma | moderately saturated (0.083) |
| Temperature | warm |
| Nearest name | Purple Brown (#673A3F) |
| Black text | 2.14:1 |
| White text | 9.81:1 |
Values
| HEX | #643353 |
| RGB | rgb(100, 51, 83) |
| HSL | hsl(321, 32%, 30%) |
| OKLCH | oklch(39.6% 0.083 341.9) |
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 #643353 | 9.81:1 | AAA | Lc -96.7 | Preferred for body text |
| Black text on #643353 | 2.14:1 | Fails | Lc 11.5 | Not readable |
| #643353 text on white | 9.81:1 | AAA | Lc 92.5 | Preferred for body text |
| #643353 text on black | 2.14:1 | Fails | Lc -9.9 | 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 900.
-
Step 50
50
#FAF3F7
oklch(97.1% 0.009 341.8)
-
Step 100
100
#F3E5ED
oklch(93.5% 0.018 342)
-
Step 200
200
#EAD1E0
oklch(88.6% 0.034 341.1)
-
Step 300
300
#DEB1CC
oklch(80.9% 0.063 341.9)
-
Step 400
400
#CB88B2
oklch(70.7% 0.098 341.8)
-
Step 500
500
#BD689F
oklch(63.1% 0.128 342)
-
Step 600
600
#A84E8A
oklch(55.6% 0.139 341.9)
-
Step 700
700
#903E75
oklch(49.1% 0.13 342)
-
Step 800
800
#75345F
oklch(42.7% 0.107 342.2)
-
Step 900
900 (this color)
#643353
oklch(39.6% 0.083 341.9)
-
Step 950
950
#381B2E
oklch(27% 0.054 341.6)
#643353 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) | #363F54 | 0.086 |
| Deuteranopia (no green cones) | #434652 | 0.077 |
| Tritanopia (no blue cones) | #69333F | 0.036 |
| Achromatopsia (no color) | #444444 | 0.083 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #643353
#643353
oklch(39.6% 0.083 341.9)
- #095438
#095438
oklch(39.6% 0.083 161.5)
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 #643353, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Purple Brown #673A3F ΔE 0.045
- Brownish Purple #76424E ΔE 0.060
- Grape Purple #5D1451 ΔE 0.071
- Velvet #750851 ΔE 0.073
- Red Purple #820747 ΔE 0.081
- Merlot #730039 ΔE 0.081
- Rich Purple #720058 ΔE 0.081
- Wine #80013F ΔE 0.083
Use #643353 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.