#645873
Closest named color: Dusty Grape (#545775). oklch(48.2% 0.045 305), rgb(100, 88, 115).
Aa
White text reads best on this color (6.59:1).
About this color
#645873 is a medium-dark, muted purple. In OKLCH its lightness is 48%, its chroma 0.045 and its hue 305°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dusty Grape (#545775), ΔE 0.026 away. White text reads best on it, at 6.59:1.
| Hue family | Purples |
| Lightness | medium-dark (48%) |
| Chroma | muted (0.045) |
| Temperature | in between |
| Nearest name | Dusty Grape (#545775) |
| Black text | 3.18:1 |
| White text | 6.59:1 |
Values
| HEX | #645873 |
| RGB | rgb(100, 88, 115) |
| HSL | hsl(267, 13%, 40%) |
| OKLCH | oklch(48.2% 0.045 305) |
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 #645873 | 6.59:1 | AA | Lc -87.7 | Fine for body text |
| Black text on #645873 | 3.18:1 | AA large text | Lc 21.4 | Dividers and decoration only |
| #645873 text on white | 6.59:1 | AA | Lc 82.6 | Fine for body text |
| #645873 text on black | 3.18:1 | AA large text | Lc -19.3 | 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
#EBE9ED
oklch(93.7% 0.006 308.4)
-
Step 200
200
#DBD7E0
oklch(88.5% 0.013 306)
-
Step 300
300
#C4BDCC
oklch(80.9% 0.022 306.8)
-
Step 400
400
#A59BB3
oklch(70.6% 0.036 304.3)
-
Step 500
500
#9083A0
oklch(63.2% 0.045 305.4)
-
Step 600
600
#7A6C8B
oklch(55.6% 0.05 305.3)
-
Step 700
700 (this color)
#645873
oklch(48.2% 0.045 305)
-
Step 800
800
#544A60
oklch(42.8% 0.038 305.5)
-
Step 900
900
#453E4E
oklch(37.7% 0.028 304.9)
-
Step 950
950
#28242E
oklch(26.9% 0.019 303.3)
#645873 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) | #535D74 | 0.028 |
| Deuteranopia (no green cones) | #555D72 | 0.027 |
| Tritanopia (no blue cones) | #625C61 | 0.036 |
| Achromatopsia (no color) | #5D5D5D | 0.045 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #645873
#645873
oklch(48.2% 0.045 305)
- #586347
#586347
oklch(48.2% 0.045 125.5)
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 #645873, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusty Grape #545775 ΔE 0.026
- Dusk #4E5481 ΔE 0.045
- Slate #516572 ΔE 0.046
- YInMn Blue #415A77 ΔE 0.051
- Dull Purple #84597E ΔE 0.059
- Muted Purple #805B87 ΔE 0.059
- Dim Gray #696969 ΔE 0.059
- Twilight #4E518B ΔE 0.061
Use #645873 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.