#645375
Closest named color: Dusty Grape (#545775). oklch(47.2% 0.057 307.1), rgb(100, 83, 117).
Aa
White text reads best on this color (6.91:1).
About this color
#645375 is a medium-dark, muted purple. In OKLCH its lightness is 47%, its chroma 0.057 and its hue 307°. 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 6.91:1.
| Hue family | Purples |
| Lightness | medium-dark (47%) |
| Chroma | muted (0.057) |
| Temperature | in between |
| Nearest name | Dusty Grape (#545775) |
| Black text | 3.03:1 |
| White text | 6.91:1 |
Values
| HEX | #645375 |
| RGB | rgb(100, 83, 117) |
| HSL | hsl(270, 17%, 39%) |
| OKLCH | oklch(47.2% 0.057 307.1) |
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 #645375 | 6.91:1 | AA | Lc -88.9 | Fine for body text |
| Black text on #645375 | 3.03:1 | AA large text | Lc 20.1 | Dividers and decoration only |
| #645375 text on white | 6.91:1 | AA | Lc 83.9 | Fine for body text |
| #645375 text on black | 3.03:1 | AA large text | Lc -18.1 | 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
#EBE8EE
oklch(93.5% 0.009 308.4)
-
Step 200
200
#DCD7E1
oklch(88.6% 0.015 308.3)
-
Step 300
300
#C5BCCF
oklch(80.8% 0.028 307)
-
Step 400
400
#A89AB7
oklch(70.8% 0.044 307)
-
Step 500
500
#9281A5
oklch(63.1% 0.056 306.3)
-
Step 600
600
#7D6A90
oklch(55.6% 0.062 307.2)
-
Step 700
700 (this color)
#645375
oklch(47.2% 0.057 307.1)
-
Step 800
800
#564864
oklch(42.7% 0.049 307.2)
-
Step 900
900
#473C51
oklch(37.6% 0.038 308.4)
-
Step 950
950
#292330
oklch(26.9% 0.025 305.7)
#645375 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) | #4D5976 | 0.038 |
| Deuteranopia (no green cones) | #505A74 | 0.036 |
| Tritanopia (no blue cones) | #62585F | 0.044 |
| Achromatopsia (no color) | #5A5A5A | 0.058 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #645375
#645375
oklch(47.2% 0.057 307.1)
- #53623E
#53623E
oklch(47.4% 0.058 126.9)
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 #645375, 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 0.039
- Twilight #4E518B ΔE 0.052
- YInMn Blue #415A77 ΔE 0.054
- Slate #516572 ΔE 0.060
- Muted Purple #805B87 ΔE 0.061
- Dull Purple #84597E ΔE 0.061
- Dusky Blue #475F94 ΔE 0.064
Use #645375 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.