#644064
Closest named color: Brownish Purple (#76424E). oklch(42.7% 0.073 326.8), rgb(100, 64, 100).
Aa
White text reads best on this color (8.53:1).
About this color
#644064 is a dark, moderately saturated purple. In OKLCH its lightness is 43%, its chroma 0.073 and its hue 327°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Brownish Purple (#76424E), ΔE 0.052 away. White text reads best on it, at 8.53:1.
| Hue family | Purples |
| Lightness | dark (43%) |
| Chroma | moderately saturated (0.073) |
| Temperature | in between |
| Nearest name | Brownish Purple (#76424E) |
| Black text | 2.45:1 |
| White text | 8.53:1 |
Values
| HEX | #644064 |
| RGB | rgb(100, 64, 100) |
| HSL | hsl(300, 22%, 32%) |
| OKLCH | oklch(42.7% 0.073 326.8) |
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 #644064 | 8.53:1 | AAA | Lc -93.8 | Preferred for body text |
| Black text on #644064 | 2.45:1 | Fails | Lc 14.7 | Not readable |
| #644064 text on white | 8.53:1 | AAA | Lc 89.2 | Fine for body text |
| #644064 text on black | 2.45:1 | Fails | Lc -13.0 | 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 800.
-
Step 50
50
#F8F4F7
oklch(97.1% 0.006 334)
-
Step 100
100
#EEE7EE
oklch(93.5% 0.012 325.7)
-
Step 200
200
#E2D4E2
oklch(88.5% 0.024 325.8)
-
Step 300
300
#D0B7CF
oklch(80.8% 0.043 327.2)
-
Step 400
400
#B892B7
oklch(70.7% 0.068 327.1)
-
Step 500
500
#A677A5
oklch(63.2% 0.087 327.2)
-
Step 600
600
#915F91
oklch(55.7% 0.095 326.8)
-
Step 700
700
#7B4E7B
oklch(49.1% 0.088 326.8)
-
Step 800
800 (this color)
#644064
oklch(42.7% 0.073 326.8)
-
Step 900
900
#523752
oklch(37.9% 0.057 326.6)
-
Step 950
950
#302030
oklch(27% 0.037 326.5)
#644064 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) | #3D4965 | 0.068 |
| Deuteranopia (no green cones) | #464E63 | 0.063 |
| Tritanopia (no blue cones) | #66434D | 0.042 |
| Achromatopsia (no color) | #4C4C4C | 0.074 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #644064
#644064
oklch(42.7% 0.073 326.8)
- #325A36
#325A36
oklch(42.8% 0.074 146.4)
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 #644064, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Brownish Purple #76424E ΔE 0.052
- Purple Brown #673A3F ΔE 0.059
- Dusty Grape #545775 ΔE 0.067
- Dusk #4E5481 ΔE 0.070
- Twilight #4E518B ΔE 0.077
- Dark Mauve #874C62 ΔE 0.079
- Dark Slate Blue #483D8B ΔE 0.085
- YInMn Blue #415A77 ΔE 0.086
Use #644064 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.