#645363
Closest named color: Dusty Grape (#545775). oklch(46.5% 0.033 328), rgb(100, 83, 99).
Aa
White text reads best on this color (7.09:1).
About this color
#645363 is a medium-dark, muted purple. In OKLCH its lightness is 46%, its chroma 0.033 and its hue 328°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dusty Grape (#545775), ΔE 0.036 away. White text reads best on it, at 7.09:1.
| Hue family | Purples |
| Lightness | medium-dark (46%) |
| Chroma | muted (0.033) |
| Temperature | in between |
| Nearest name | Dusty Grape (#545775) |
| Black text | 2.95:1 |
| White text | 7.09:1 |
Values
| HEX | #645363 |
| RGB | rgb(100, 83, 99) |
| HSL | hsl(304, 9%, 36%) |
| OKLCH | oklch(46.5% 0.033 328) |
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 #645363 | 7.09:1 | AAA | Lc -89.5 | Fine for body text |
| Black text on #645363 | 2.95:1 | Fails | Lc 19.4 | Dividers and decoration only |
| #645363 text on white | 7.09:1 | AAA | Lc 84.6 | Fine for body text |
| #645363 text on black | 2.95:1 | Fails | Lc -17.4 | 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
#ECE9EB
oklch(93.7% 0.004 337.4)
-
Step 200
200
#DCD7DC
oklch(88.5% 0.009 325.6)
-
Step 300
300
#C7BDC6
oklch(80.9% 0.017 328.8)
-
Step 400
400
#AA9BA9
oklch(70.7% 0.026 327.9)
-
Step 500
500
#958394
oklch(63.2% 0.033 327.7)
-
Step 600
600
#7F6C7E
oklch(55.5% 0.036 327.7)
-
Step 700
700 (this color)
#645363
oklch(46.5% 0.033 328)
-
Step 800
800
#584A57
oklch(42.8% 0.028 328.3)
-
Step 900
900
#483E47
oklch(37.7% 0.02 329.2)
-
Step 950
950
#2A242A
oklch(26.9% 0.014 326)
#645363 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) | #525764 | 0.030 |
| Deuteranopia (no green cones) | #565962 | 0.028 |
| Tritanopia (no blue cones) | #655458 | 0.019 |
| Achromatopsia (no color) | #585858 | 0.034 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #645363
#645363
oklch(46.5% 0.033 328)
- #4D5F4F
#4D5F4F
oklch(46.5% 0.034 148.1)
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 #645363, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusty Grape #545775 ΔE 0.036
- Brownish Purple #76424E ΔE 0.055
- Slate #516572 ΔE 0.056
- YInMn Blue #415A77 ΔE 0.058
- Dusk #4E5481 ΔE 0.059
- Dark Mauve #874C62 ΔE 0.064
- Dim Gray #696969 ΔE 0.065
- Dull Purple #84597E ΔE 0.073
Use #645363 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.