#645261
Closest named color: Dusty Grape (#545775). oklch(46.2% 0.033 331.8), rgb(100, 82, 97).
Aa
White text reads best on this color (7.18:1).
About this color
#645261 is a medium-dark, muted purple. In OKLCH its lightness is 46%, its chroma 0.033 and its hue 332°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dusty Grape (#545775), ΔE 0.039 away. White text reads best on it, at 7.18:1.
| Hue family | Purples |
| Lightness | medium-dark (46%) |
| Chroma | muted (0.033) |
| Temperature | in between |
| Nearest name | Dusty Grape (#545775) |
| Black text | 2.92:1 |
| White text | 7.18:1 |
Values
| HEX | #645261 |
| RGB | rgb(100, 82, 97) |
| HSL | hsl(310, 10%, 36%) |
| OKLCH | oklch(46.2% 0.033 331.8) |
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 #645261 | 7.18:1 | AAA | Lc -89.8 | Fine for body text |
| Black text on #645261 | 2.92:1 | Fails | Lc 19.1 | Dividers and decoration only |
| #645261 text on white | 7.18:1 | AAA | Lc 84.9 | Fine for body text |
| #645261 text on black | 2.92:1 | Fails | Lc -17.1 | 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
#DDD7DC
oklch(88.5% 0.009 331)
-
Step 300
300
#C7BDC5
oklch(80.9% 0.016 332.3)
-
Step 400
400
#AB9BA8
oklch(70.7% 0.026 332.1)
-
Step 500
500
#968392
oklch(63.2% 0.032 333.1)
-
Step 600
600
#806C7D
oklch(55.6% 0.036 331)
-
Step 700
700 (this color)
#645261
oklch(46.2% 0.033 331.8)
-
Step 800
800
#584A56
oklch(42.8% 0.027 330.8)
-
Step 900
900
#493E47
oklch(37.9% 0.021 332.1)
-
Step 950
950
#2B2429
oklch(27% 0.014 336.2)
#645261 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) | #525662 | 0.030 |
| Deuteranopia (no green cones) | #565860 | 0.028 |
| Tritanopia (no blue cones) | #665357 | 0.018 |
| Achromatopsia (no color) | #575757 | 0.034 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #645261
#645261
oklch(46.2% 0.033 331.8)
- #4B5E4F
#4B5E4F
oklch(46.1% 0.033 151.2)
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 #645261, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusty Grape #545775 ΔE 0.039
- Brownish Purple #76424E ΔE 0.052
- Slate #516572 ΔE 0.058
- YInMn Blue #415A77 ΔE 0.060
- Dusk #4E5481 ΔE 0.061
- Dark Mauve #874C62 ΔE 0.064
- Dim Gray #696969 ΔE 0.068
- Purple Brown #673A3F ΔE 0.072
Use #645261 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.