#645372
Closest named color: Dusty Grape (#545775). oklch(47.1% 0.053 309.3), rgb(100, 83, 114).
Aa
White text reads best on this color (6.94:1).
About this color
#645372 is a medium-dark, muted purple. In OKLCH its lightness is 47%, its chroma 0.053 and its hue 309°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dusty Grape (#545775), ΔE 0.027 away. White text reads best on it, at 6.94:1.
| Hue family | Purples |
| Lightness | medium-dark (47%) |
| Chroma | muted (0.053) |
| Temperature | in between |
| Nearest name | Dusty Grape (#545775) |
| Black text | 3.02:1 |
| White text | 6.94:1 |
Values
| HEX | #645372 |
| RGB | rgb(100, 83, 114) |
| HSL | hsl(273, 16%, 39%) |
| OKLCH | oklch(47.1% 0.053 309.3) |
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 #645372 | 6.94:1 | AA | Lc -89.0 | Fine for body text |
| Black text on #645372 | 3.02:1 | AA large text | Lc 20.0 | Dividers and decoration only |
| #645372 text on white | 6.94:1 | AA | Lc 84.0 | Fine for body text |
| #645372 text on black | 3.02:1 | AA large text | Lc -17.9 | 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
#F6F5F7
oklch(97.1% 0.003 308.4)
-
Step 100
100
#EBE8EE
oklch(93.5% 0.009 308.4)
-
Step 200
200
#DCD7E0
oklch(88.6% 0.013 310.5)
-
Step 300
300
#C5BCCE
oklch(80.8% 0.027 308.1)
-
Step 400
400
#A89AB4
oklch(70.7% 0.04 309.4)
-
Step 500
500
#9381A2
oklch(63.1% 0.053 309.5)
-
Step 600
600
#7D6A8D
oklch(55.5% 0.058 309.2)
-
Step 700
700 (this color)
#645372
oklch(47.1% 0.053 309.3)
-
Step 800
800
#564861
oklch(42.6% 0.044 309.9)
-
Step 900
900
#473D50
oklch(37.8% 0.034 308.6)
-
Step 950
950
#2A242F
oklch(27.2% 0.022 309.5)
#645372 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) | #4E5973 | 0.037 |
| Deuteranopia (no green cones) | #515A71 | 0.035 |
| Tritanopia (no blue cones) | #62575E | 0.039 |
| Achromatopsia (no color) | #5A5A5A | 0.053 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #645372
#645372
oklch(47.1% 0.053 309.3)
- #526141
#526141
oklch(47.1% 0.053 128.7)
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 #645372, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusty Grape #545775 ΔE 0.027
- Dusk #4E5481 ΔE 0.041
- YInMn Blue #415A77 ΔE 0.053
- Twilight #4E518B ΔE 0.055
- Slate #516572 ΔE 0.058
- Dull Purple #84597E ΔE 0.063
- Muted Purple #805B87 ΔE 0.063
- Dark Mauve #874C62 ΔE 0.066
Use #645372 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.