#644572
Closest named color: Dusk (#4E5481). oklch(44.3% 0.081 314.8), rgb(100, 69, 114).
Aa
White text reads best on this color (7.96:1).
About this color
#644572 is a dark, moderately saturated purple. In OKLCH its lightness is 44%, its chroma 0.081 and its hue 315°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dusk (#4E5481), ΔE 0.053 away. White text reads best on it, at 7.96:1.
| Hue family | Purples |
| Lightness | dark (44%) |
| Chroma | moderately saturated (0.081) |
| Temperature | in between |
| Nearest name | Dusk (#4E5481) |
| Black text | 2.63:1 |
| White text | 7.96:1 |
Values
| HEX | #644572 |
| RGB | rgb(100, 69, 114) |
| HSL | hsl(281, 25%, 36%) |
| OKLCH | oklch(44.3% 0.081 314.8) |
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 #644572 | 7.96:1 | AAA | Lc -92.2 | Preferred for body text |
| Black text on #644572 | 2.63:1 | Fails | Lc 16.5 | Dividers and decoration only |
| #644572 text on white | 7.96:1 | AAA | Lc 87.5 | Fine for body text |
| #644572 text on black | 2.63:1 | Fails | Lc -14.6 | 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
#F7F4F8
oklch(97.1% 0.006 317.8)
-
Step 100
100
#EDE7F0
oklch(93.5% 0.014 314.8)
-
Step 200
200
#E0D4E5
oklch(88.5% 0.026 316.1)
-
Step 300
300
#CCB8D6
oklch(80.9% 0.047 314.5)
-
Step 400
400
#B293C1
oklch(70.7% 0.074 314.6)
-
Step 500
500
#9F77B2
oklch(63% 0.097 314.5)
-
Step 600
600
#8A5F9D
oklch(55.5% 0.105 315)
-
Step 700
700
#754F87
oklch(49.2% 0.097 314.3)
-
Step 800
800 (this color)
#644572
oklch(44.3% 0.081 314.8)
-
Step 900
900
#4E3759
oklch(37.7% 0.063 314.4)
-
Step 950
950
#2E2034
oklch(27% 0.041 315.5)
#644572 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) | #3E4F74 | 0.064 |
| Deuteranopia (no green cones) | #455271 | 0.060 |
| Tritanopia (no blue cones) | #634B56 | 0.055 |
| Achromatopsia (no color) | #515151 | 0.081 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #644572
#644572
oklch(44.3% 0.081 314.8)
- #3F5D2E
#3F5D2E
oklch(44.2% 0.08 135.2)
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 #644572, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusk #4E5481 ΔE 0.053
- Dusty Grape #545775 ΔE 0.055
- Twilight #4E518B ΔE 0.056
- Brownish Purple #76424E ΔE 0.066
- Dark Slate Blue #483D8B ΔE 0.073
- YInMn Blue #415A77 ΔE 0.076
- Light Eggplant #894585 ΔE 0.076
- Dark Mauve #874C62 ΔE 0.077
Use #644572 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.