#643160
Closest named color: Grape Purple (#5D1451). oklch(39.8% 0.099 330.2), rgb(100, 49, 96).
Aa
White text reads best on this color (9.76:1).
About this color
#643160 is a dark, moderately saturated purple. In OKLCH its lightness is 40%, its chroma 0.099 and its hue 330°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Grape Purple (#5D1451), ΔE 0.064 away. White text reads best on it, at 9.76:1.
| Hue family | Purples |
| Lightness | dark (40%) |
| Chroma | moderately saturated (0.099) |
| Temperature | in between |
| Nearest name | Grape Purple (#5D1451) |
| Black text | 2.15:1 |
| White text | 9.76:1 |
Values
| HEX | #643160 |
| RGB | rgb(100, 49, 96) |
| HSL | hsl(305, 34%, 29%) |
| OKLCH | oklch(39.8% 0.099 330.2) |
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 #643160 | 9.76:1 | AAA | Lc -96.5 | Preferred for body text |
| Black text on #643160 | 2.15:1 | Fails | Lc 11.6 | Not readable |
| #643160 text on white | 9.76:1 | AAA | Lc 92.3 | Preferred for body text |
| #643160 text on black | 2.15:1 | Fails | Lc -10.1 | 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 900.
-
Step 50
50
#FAF3F9
oklch(97.1% 0.011 330.1)
-
Step 100
100
#F3E5F1
oklch(93.6% 0.022 330.3)
-
Step 200
200
#EAD0E6
oklch(88.6% 0.041 331)
-
Step 300
300
#DDB0D7
oklch(81% 0.073 330.7)
-
Step 400
400
#CA85C3
oklch(70.7% 0.117 330.3)
-
Step 500
500
#BB64B4
oklch(63.1% 0.15 330.2)
-
Step 600
600
#A648A0
oklch(55.6% 0.164 330)
-
Step 700
700
#8E3989
oklch(49.1% 0.152 329.9)
-
Step 800
800
#74306F
oklch(42.8% 0.126 330.4)
-
Step 900
900 (this color)
#643160
oklch(39.8% 0.099 330.2)
-
Step 950
950
#371A35
oklch(27% 0.063 329.7)
#643160 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) | #2E3F62 | 0.098 |
| Deuteranopia (no green cones) | #3D465E | 0.087 |
| Tritanopia (no blue cones) | #673544 | 0.053 |
| Achromatopsia (no color) | #444444 | 0.099 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #643160
#643160
oklch(39.8% 0.099 330.2)
- #115529
#115529
oklch(39.7% 0.098 150.4)
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 #643160, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Grape Purple #5D1451 ΔE 0.064
- Purple Brown #673A3F ΔE 0.068
- Velvet #750851 ΔE 0.068
- Rich Purple #720058 ΔE 0.072
- Brownish Purple #76424E ΔE 0.074
- Red Purple #820747 ΔE 0.083
- Merlot #730039 ΔE 0.088
- Wine #80013F ΔE 0.089
Use #643160 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.