#643165
Closest named color: Grape Purple (#5D1451). oklch(40.1% 0.104 326.6), rgb(100, 49, 101).
Aa
White text reads best on this color (9.68:1).
About this color
#643165 is a dark, moderately saturated purple. In OKLCH its lightness is 40%, its chroma 0.104 and its hue 327°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Grape Purple (#5D1451), ΔE 0.066 away. White text reads best on it, at 9.68:1.
| Hue family | Purples |
| Lightness | dark (40%) |
| Chroma | moderately saturated (0.104) |
| Temperature | in between |
| Nearest name | Grape Purple (#5D1451) |
| Black text | 2.16:1 |
| White text | 9.68:1 |
Values
| HEX | #643165 |
| RGB | rgb(100, 49, 101) |
| HSL | hsl(299, 35%, 29%) |
| OKLCH | oklch(40.1% 0.104 326.6) |
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 #643165 | 9.68:1 | AAA | Lc -96.3 | Preferred for body text |
| Black text on #643165 | 2.16:1 | Fails | Lc 11.9 | Not readable |
| #643165 text on white | 9.68:1 | AAA | Lc 92.1 | Preferred for body text |
| #643165 text on black | 2.16:1 | Fails | Lc -10.3 | 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
#F9F3F9
oklch(97% 0.01 325.7)
-
Step 100
100
#F2E5F2
oklch(93.6% 0.022 325.8)
-
Step 200
200
#E9D0E8
oklch(88.5% 0.042 327.2)
-
Step 300
300
#DCAFDB
oklch(80.8% 0.078 327)
-
Step 400
400
#C984C9
oklch(70.7% 0.124 326.8)
-
Step 500
500
#BA62BB
oklch(63% 0.159 326.8)
-
Step 600
600
#A546A7
oklch(55.5% 0.173 326.8)
-
Step 700
700
#8D3790
oklch(49.1% 0.161 326.3)
-
Step 800
800
#732F75
oklch(42.8% 0.133 326.5)
-
Step 900
900 (this color)
#643165
oklch(40.1% 0.104 326.6)
-
Step 950
950
#371A37
oklch(27.1% 0.065 327.2)
#643165 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) | #2C4067 | 0.100 |
| Deuteranopia (no green cones) | #3B4763 | 0.090 |
| Tritanopia (no blue cones) | #673746 | 0.060 |
| Achromatopsia (no color) | #444444 | 0.105 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #643165
#643165
oklch(40.1% 0.104 326.6)
- #175623
#175623
oklch(40.1% 0.103 146.6)
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 #643165, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Grape Purple #5D1451 ΔE 0.066
- Velvet #750851 ΔE 0.070
- Rich Purple #720058 ΔE 0.072
- Purple Brown #673A3F ΔE 0.076
- Brownish Purple #76424E ΔE 0.079
- Dark Slate Blue #483D8B ΔE 0.083
- Rebecca Purple #663399 ΔE 0.086
- Red Purple #820747 ΔE 0.087
Use #643165 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.