#645071
Closest named color: Dusty Grape (#545775). oklch(46.4% 0.058 311.7), rgb(100, 80, 113).
Aa
White text reads best on this color (7.17:1).
About this color
#645071 is a medium-dark, muted purple. In OKLCH its lightness is 46%, its chroma 0.058 and its hue 312°. 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 7.17:1.
| Hue family | Purples |
| Lightness | medium-dark (46%) |
| Chroma | muted (0.058) |
| Temperature | in between |
| Nearest name | Dusty Grape (#545775) |
| Black text | 2.92:1 |
| White text | 7.17:1 |
Values
| HEX | #645071 |
| RGB | rgb(100, 80, 113) |
| HSL | hsl(276, 17%, 38%) |
| OKLCH | oklch(46.4% 0.058 311.7) |
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 #645071 | 7.17:1 | AAA | Lc -89.8 | Fine for body text |
| Black text on #645071 | 2.92:1 | Fails | Lc 19.2 | Dividers and decoration only |
| #645071 text on white | 7.17:1 | AAA | Lc 84.9 | Fine for body text |
| #645071 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
#F6F5F7
oklch(97.1% 0.003 308.4)
-
Step 100
100
#ECE8EE
oklch(93.6% 0.009 314.8)
-
Step 200
200
#DCD6E1
oklch(88.4% 0.016 310.1)
-
Step 300
300
#C7BCCE
oklch(81% 0.028 312.5)
-
Step 400
400
#AA99B5
oklch(70.7% 0.044 312.2)
-
Step 500
500
#9580A3
oklch(63.1% 0.057 311.7)
-
Step 600
600
#7F698E
oklch(55.6% 0.062 311.3)
-
Step 700
700 (this color)
#645071
oklch(46.4% 0.058 311.7)
-
Step 800
800
#584862
oklch(42.8% 0.047 312.2)
-
Step 900
900
#483C50
oklch(37.7% 0.037 311.6)
-
Step 950
950
#2A232F
oklch(26.9% 0.024 311)
#645071 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) | #4B5672 | 0.042 |
| Deuteranopia (no green cones) | #4F5870 | 0.039 |
| Tritanopia (no blue cones) | #63545C | 0.040 |
| Achromatopsia (no color) | #575757 | 0.058 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #645071
#645071
oklch(46.4% 0.058 311.7)
- #4D603E
#4D603E
oklch(46.4% 0.058 132)
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 #645071, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusty Grape #545775 ΔE 0.030
- Dusk #4E5481 ΔE 0.042
- Twilight #4E518B ΔE 0.054
- YInMn Blue #415A77 ΔE 0.056
- Brownish Purple #76424E ΔE 0.064
- Slate #516572 ΔE 0.066
- Dull Purple #84597E ΔE 0.066
- Dark Mauve #874C62 ΔE 0.066
Use #645071 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.