#645168
Closest named color: Dusty Grape (#545775). oklch(46.3% 0.044 320.4), rgb(100, 81, 104).
Aa
White text reads best on this color (7.19:1).
About this color
#645168 is a medium-dark, muted purple. In OKLCH its lightness is 46%, its chroma 0.044 and its hue 320°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dusty Grape (#545775), ΔE 0.033 away. White text reads best on it, at 7.19:1.
| Hue family | Purples |
| Lightness | medium-dark (46%) |
| Chroma | muted (0.044) |
| Temperature | in between |
| Nearest name | Dusty Grape (#545775) |
| Black text | 2.91:1 |
| White text | 7.19:1 |
Values
| HEX | #645168 |
| RGB | rgb(100, 81, 104) |
| HSL | hsl(290, 12%, 36%) |
| OKLCH | oklch(46.3% 0.044 320.4) |
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 #645168 | 7.19:1 | AAA | Lc -89.9 | Fine for body text |
| Black text on #645168 | 2.91:1 | Fails | Lc 19.1 | Dividers and decoration only |
| #645168 text on white | 7.19:1 | AAA | Lc 85.0 | Fine for body text |
| #645168 text on black | 2.91:1 | Fails | Lc -17.0 | 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
#ECE8EC
oklch(93.5% 0.007 325.6)
-
Step 200
200
#DDD7DE
oklch(88.6% 0.011 321.3)
-
Step 300
300
#C7BCC9
oklch(80.8% 0.022 321)
-
Step 400
400
#AA9AAE
oklch(70.6% 0.034 319.5)
-
Step 500
500
#96819A
oklch(63.1% 0.044 320.9)
-
Step 600
600
#806B85
oklch(55.7% 0.047 319.7)
-
Step 700
700 (this color)
#645168
oklch(46.3% 0.044 320.4)
-
Step 800
800
#58495B
oklch(42.7% 0.035 320.7)
-
Step 900
900
#483D4B
oklch(37.7% 0.028 318.9)
-
Step 950
950
#2A242C
oklch(27% 0.017 317.7)
#645168 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) | #4F5669 | 0.035 |
| Deuteranopia (no green cones) | #535867 | 0.033 |
| Tritanopia (no blue cones) | #655359 | 0.027 |
| Achromatopsia (no color) | #575757 | 0.044 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #645168
#645168
oklch(46.3% 0.044 320.4)
- #4C5F48
#4C5F48
oklch(46.3% 0.043 140.2)
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 #645168, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusty Grape #545775 ΔE 0.033
- Dusk #4E5481 ΔE 0.051
- Brownish Purple #76424E ΔE 0.055
- YInMn Blue #415A77 ΔE 0.057
- Slate #516572 ΔE 0.061
- Dark Mauve #874C62 ΔE 0.063
- Twilight #4E518B ΔE 0.067
- Dull Purple #84597E ΔE 0.070
Use #645168 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.