#644056
Closest named color: Purple Brown (#673A3F). oklch(42.1% 0.06 342.7), rgb(100, 64, 86).
Aa
White text reads best on this color (8.71:1).
About this color
#644056 is a dark, muted purple. In OKLCH its lightness is 42%, its chroma 0.060 and its hue 343°. Its hue sits on the warm side of the wheel. The nearest named color is Purple Brown (#673A3F), ΔE 0.036 away. White text reads best on it, at 8.71:1.
| Hue family | Purples |
| Lightness | dark (42%) |
| Chroma | muted (0.060) |
| Temperature | warm |
| Nearest name | Purple Brown (#673A3F) |
| Black text | 2.40:1 |
| White text | 8.71:1 |
Values
| HEX | #644056 |
| RGB | rgb(100, 64, 86) |
| HSL | hsl(323, 22%, 32%) |
| OKLCH | oklch(42.1% 0.06 342.7) |
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 #644056 | 8.71:1 | AAA | Lc -94.3 | Preferred for body text |
| Black text on #644056 | 2.40:1 | Fails | Lc 14.2 | Not readable |
| #644056 text on white | 8.71:1 | AAA | Lc 89.8 | Fine for body text |
| #644056 text on black | 2.40:1 | Fails | Lc -12.5 | 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
#F8F4F6
oklch(97.1% 0.005 345.3)
-
Step 100
100
#EFE7EC
oklch(93.6% 0.011 339.3)
-
Step 200
200
#E3D4DC
oklch(88.4% 0.02 344)
-
Step 300
300
#D2B8C7
oklch(80.9% 0.036 342.3)
-
Step 400
400
#BA93AA
oklch(70.6% 0.056 342.5)
-
Step 500
500
#A87895
oklch(63% 0.072 342.4)
-
Step 600
600
#936180
oklch(55.6% 0.077 342.2)
-
Step 700
700
#7D506C
oklch(49.1% 0.072 342.2)
-
Step 800
800 (this color)
#644056
oklch(42.1% 0.06 342.7)
-
Step 900
900
#533848
oklch(37.8% 0.046 343.2)
-
Step 950
950
#31212A
oklch(27.1% 0.029 344.4)
#644056 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) | #424857 | 0.061 |
| Deuteranopia (no green cones) | #4B4D55 | 0.056 |
| Tritanopia (no blue cones) | #684048 | 0.024 |
| Achromatopsia (no color) | #4B4B4B | 0.060 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #644056
#644056
oklch(42.1% 0.06 342.7)
- #2C5744
#2C5744
oklch(42% 0.058 163.4)
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 #644056, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Purple Brown #673A3F ΔE 0.036
- Brownish Purple #76424E ΔE 0.039
- Dusty Grape #545775 ΔE 0.073
- Dark Mauve #874C62 ΔE 0.078
- Charcoal Grey #3C4142 ΔE 0.081
- Dusk #4E5481 ΔE 0.083
- YInMn Blue #415A77 ΔE 0.091
- Twilight #4E518B ΔE 0.094
Use #644056 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.