#643061
Closest named color: Grape Purple (#5D1451). oklch(39.7% 0.101 329.5), rgb(100, 48, 97).
Aa
White text reads best on this color (9.82:1).
About this color
#643061 is a dark, moderately saturated purple. In OKLCH its lightness is 40%, its chroma 0.101 and its hue 329°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Grape Purple (#5D1451), ΔE 0.063 away. White text reads best on it, at 9.82:1.
| Hue family | Purples |
| Lightness | dark (40%) |
| Chroma | moderately saturated (0.101) |
| Temperature | in between |
| Nearest name | Grape Purple (#5D1451) |
| Black text | 2.13:1 |
| White text | 9.82:1 |
Values
| HEX | #643061 |
| RGB | rgb(100, 48, 97) |
| HSL | hsl(303, 35%, 29%) |
| OKLCH | oklch(39.7% 0.101 329.5) |
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 #643061 | 9.82:1 | AAA | Lc -96.6 | Preferred for body text |
| Black text on #643061 | 2.13:1 | Fails | Lc 11.5 | Not readable |
| #643061 text on white | 9.82:1 | AAA | Lc 92.4 | Preferred for body text |
| #643061 text on black | 2.13:1 | Fails | Lc -10.0 | 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
#EAD0E7
oklch(88.6% 0.042 329.6)
-
Step 300
300
#DDAFD9
oklch(80.8% 0.077 329.1)
-
Step 400
400
#CB84C5
oklch(70.8% 0.122 329.8)
-
Step 500
500
#BC62B6
oklch(63.1% 0.156 329.7)
-
Step 600
600
#A747A2
oklch(55.7% 0.168 329.6)
-
Step 700
700
#8F378B
oklch(49.1% 0.158 329.5)
-
Step 800
800
#742F71
oklch(42.8% 0.13 329.3)
-
Step 900
900 (this color)
#643061
oklch(39.7% 0.101 329.5)
-
Step 950
950
#371A35
oklch(27% 0.063 329.7)
#643061 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) | #2D3F63 | 0.100 |
| Deuteranopia (no green cones) | #3C465F | 0.090 |
| Tritanopia (no blue cones) | #673544 | 0.056 |
| Achromatopsia (no color) | #434343 | 0.102 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #643061
#643061
oklch(39.7% 0.101 329.5)
- #105527
#105527
oklch(39.6% 0.1 149.6)
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 #643061, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Grape Purple #5D1451 ΔE 0.063
- Velvet #750851 ΔE 0.067
- Rich Purple #720058 ΔE 0.070
- Purple Brown #673A3F ΔE 0.071
- Brownish Purple #76424E ΔE 0.077
- Red Purple #820747 ΔE 0.083
- Merlot #730039 ΔE 0.087
- Dark Slate Blue #483D8B ΔE 0.088
Use #643061 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.