#644561
Closest named color: Brownish Purple (#76424E). oklch(43.5% 0.06 329.9), rgb(100, 69, 97).
Aa
White text reads best on this color (8.18:1).
About this color
#644561 is a dark, muted purple. In OKLCH its lightness is 44%, its chroma 0.060 and its hue 330°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Brownish Purple (#76424E), ΔE 0.044 away. White text reads best on it, at 8.18:1.
| Hue family | Purples |
| Lightness | dark (44%) |
| Chroma | muted (0.060) |
| Temperature | in between |
| Nearest name | Brownish Purple (#76424E) |
| Black text | 2.56:1 |
| White text | 8.18:1 |
Values
| HEX | #644561 |
| RGB | rgb(100, 69, 97) |
| HSL | hsl(306, 18%, 33%) |
| OKLCH | oklch(43.5% 0.06 329.9) |
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 #644561 | 8.18:1 | AAA | Lc -92.9 | Preferred for body text |
| Black text on #644561 | 2.56:1 | Fails | Lc 15.8 | Dividers and decoration only |
| #644561 text on white | 8.18:1 | AAA | Lc 88.2 | Fine for body text |
| #644561 text on black | 2.56:1 | Fails | Lc -13.9 | 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
#EEE7ED
oklch(93.5% 0.011 330.2)
-
Step 200
200
#E1D5DF
oklch(88.6% 0.019 331.1)
-
Step 300
300
#CEB9CC
oklch(80.9% 0.035 328.9)
-
Step 400
400
#B594B1
oklch(70.6% 0.056 330.2)
-
Step 500
500
#A37A9E
oklch(63.2% 0.071 330.6)
-
Step 600
600
#8D6289
oklch(55.5% 0.078 329.8)
-
Step 700
700
#785174
oklch(49% 0.073 330.2)
-
Step 800
800 (this color)
#644561
oklch(43.5% 0.06 329.9)
-
Step 900
900
#50394D
oklch(37.8% 0.045 331)
-
Step 950
950
#2F212D
oklch(27% 0.03 331.3)
#644561 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) | #444D62 | 0.056 |
| Deuteranopia (no green cones) | #4B5160 | 0.053 |
| Tritanopia (no blue cones) | #66474F | 0.033 |
| Achromatopsia (no color) | #4F4F4F | 0.060 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #644561
#644561
oklch(43.5% 0.06 329.9)
- #385B3F
#385B3F
oklch(43.6% 0.061 149.6)
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 #644561, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Brownish Purple #76424E ΔE 0.044
- Purple Brown #673A3F ΔE 0.055
- Dusty Grape #545775 ΔE 0.056
- Dusk #4E5481 ΔE 0.066
- Dark Mauve #874C62 ΔE 0.071
- Twilight #4E518B ΔE 0.076
- YInMn Blue #415A77 ΔE 0.077
- Dull Purple #84597E ΔE 0.090
Use #644561 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.