#644566
Closest named color: Brownish Purple (#76424E). oklch(43.7% 0.066 324.6), rgb(100, 69, 102).
Aa
White text reads best on this color (8.12:1).
About this color
#644566 is a dark, muted purple. In OKLCH its lightness is 44%, its chroma 0.066 and its hue 325°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Brownish Purple (#76424E), ΔE 0.050 away. White text reads best on it, at 8.12:1.
| Hue family | Purples |
| Lightness | dark (44%) |
| Chroma | muted (0.066) |
| Temperature | in between |
| Nearest name | Brownish Purple (#76424E) |
| Black text | 2.58:1 |
| White text | 8.12:1 |
Values
| HEX | #644566 |
| RGB | rgb(100, 69, 102) |
| HSL | hsl(296, 19%, 34%) |
| OKLCH | oklch(43.7% 0.066 324.6) |
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 #644566 | 8.12:1 | AAA | Lc -92.7 | Preferred for body text |
| Black text on #644566 | 2.58:1 | Fails | Lc 16.0 | Dividers and decoration only |
| #644566 text on white | 8.12:1 | AAA | Lc 88.0 | Fine for body text |
| #644566 text on black | 2.58:1 | Fails | Lc -14.1 | 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 800.
-
Step 50
50
#F7F4F7
oklch(97% 0.005 325.6)
-
Step 100
100
#EEE7EE
oklch(93.5% 0.012 325.7)
-
Step 200
200
#E1D5E1
oklch(88.6% 0.021 325.8)
-
Step 300
300
#CEB9CF
oklch(81% 0.038 324.5)
-
Step 400
400
#B494B6
oklch(70.7% 0.061 324.3)
-
Step 500
500
#A279A4
oklch(63.1% 0.079 324.9)
-
Step 600
600
#8C628F
oklch(55.6% 0.084 324.4)
-
Step 700
700
#77517A
oklch(49.1% 0.079 324.2)
-
Step 800
800 (this color)
#644566
oklch(43.7% 0.066 324.6)
-
Step 900
900
#4F3851
oklch(37.6% 0.051 323.8)
-
Step 950
950
#2F212F
oklch(27.1% 0.032 326.4)
#644566 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) | #424D67 | 0.059 |
| Deuteranopia (no green cones) | #4A5165 | 0.054 |
| Tritanopia (no blue cones) | #664851 | 0.039 |
| Achromatopsia (no color) | #505050 | 0.066 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #644566
#644566
oklch(43.7% 0.066 324.6)
- #3A5B3B
#3A5B3B
oklch(43.6% 0.065 145.1)
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 #644566, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Brownish Purple #76424E ΔE 0.050
- Dusty Grape #545775 ΔE 0.055
- Dusk #4E5481 ΔE 0.061
- Purple Brown #673A3F ΔE 0.062
- Twilight #4E518B ΔE 0.070
- Dark Mauve #874C62 ΔE 0.072
- YInMn Blue #415A77 ΔE 0.076
- Light Eggplant #894585 ΔE 0.086
Use #644566 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.