#64576B
Closest named color: Dusty Grape (#545775). oklch(47.7% 0.035 313.8), rgb(100, 87, 107).
Aa
White text reads best on this color (6.73:1).
About this color
#64576B is a medium-dark, muted purple. In OKLCH its lightness is 48%, its chroma 0.035 and its hue 314°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dusty Grape (#545775), ΔE 0.030 away. White text reads best on it, at 6.73:1.
| Hue family | Purples |
| Lightness | medium-dark (48%) |
| Chroma | muted (0.035) |
| Temperature | in between |
| Nearest name | Dusty Grape (#545775) |
| Black text | 3.11:1 |
| White text | 6.73:1 |
Values
| HEX | #64576B |
| RGB | rgb(100, 87, 107) |
| HSL | hsl(279, 10%, 38%) |
| OKLCH | oklch(47.7% 0.035 313.8) |
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 #64576B | 6.73:1 | AA | Lc -88.2 | Fine for body text |
| Black text on #64576B | 3.11:1 | AA large text | Lc 20.8 | Dividers and decoration only |
| #64576B text on white | 6.73:1 | AA | Lc 83.2 | Fine for body text |
| #64576B text on black | 3.11:1 | AA large text | Lc -18.7 | Dividers and decoration only |
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 700.
-
Step 50
50
#F6F5F6
oklch(97.1% 0.002 325.6)
-
Step 100
100
#EBE9EC
oklch(93.6% 0.005 314.8)
-
Step 200
200
#DBD7DE
oklch(88.4% 0.01 311.2)
-
Step 300
300
#C5BDC9
oklch(80.9% 0.019 314.7)
-
Step 400
400
#A79CAD
oklch(70.8% 0.027 313.9)
-
Step 500
500
#918499
oklch(63.2% 0.034 312.7)
-
Step 600
600
#7B6D83
oklch(55.5% 0.037 313.3)
-
Step 700
700 (this color)
#64576B
oklch(47.7% 0.035 313.8)
-
Step 800
800
#554A5B
oklch(42.6% 0.031 313.7)
-
Step 900
900
#463E4A
oklch(37.7% 0.023 314.5)
-
Step 950
950
#29242B
oklch(26.9% 0.015 316.4)
#64576B 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) | #545B6C | 0.026 |
| Deuteranopia (no green cones) | #575C6A | 0.025 |
| Tritanopia (no blue cones) | #64595E | 0.024 |
| Achromatopsia (no color) | #5C5C5C | 0.035 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #64576B
#64576B
oklch(47.7% 0.035 313.8)
- #55614D
#55614D
oklch(47.6% 0.035 132.9)
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 #64576B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusty Grape #545775 ΔE 0.030
- Slate #516572 ΔE 0.046
- Dusk #4E5481 ΔE 0.052
- YInMn Blue #415A77 ΔE 0.053
- Dim Gray #696969 ΔE 0.057
- Dull Purple #84597E ΔE 0.065
- Dark Mauve #874C62 ΔE 0.065
- Brownish Purple #76424E ΔE 0.066
Use #64576B 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.