#646385
Closest named color: Slate (#516572). oklch(51.4% 0.053 285.7), rgb(100, 99, 133).
Aa
White text reads best on this color (5.72:1).
About this color
#646385 is a medium-dark, muted purple. In OKLCH its lightness is 51%, its chroma 0.053 and its hue 286°. Its hue sits on the cool side of the wheel. The nearest named color is Slate (#516572), ΔE 0.045 away. White text reads best on it, at 5.72:1.
| Hue family | Purples |
| Lightness | medium-dark (51%) |
| Chroma | muted (0.053) |
| Temperature | cool |
| Nearest name | Slate (#516572) |
| Black text | 3.66:1 |
| White text | 5.72:1 |
Values
| HEX | #646385 |
| RGB | rgb(100, 99, 133) |
| HSL | hsl(242, 15%, 45%) |
| OKLCH | oklch(51.4% 0.053 285.7) |
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 #646385 | 5.72:1 | AA | Lc -83.9 | Fine for body text |
| Black text on #646385 | 3.66:1 | AA large text | Lc 25.4 | Dividers and decoration only |
| #646385 text on white | 5.72:1 | AA | Lc 78.7 | Fine for body text |
| #646385 text on black | 3.66:1 | AA large text | Lc -23.1 | 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
#F5F5F8
oklch(97.1% 0.004 286.3)
-
Step 100
100
#E9E9EF
oklch(93.6% 0.008 286.2)
-
Step 200
200
#D8D8E2
oklch(88.5% 0.014 286.1)
-
Step 300
300
#BFBFD1
oklch(81% 0.025 285.8)
-
Step 400
400
#9E9DBA
oklch(70.7% 0.042 286.9)
-
Step 500
500
#8685A9
oklch(63.1% 0.054 286)
-
Step 600
600
#706F94
oklch(55.7% 0.057 285.6)
-
Step 700
700 (this color)
#646385
oklch(51.4% 0.053 285.7)
-
Step 800
800
#4C4C67
oklch(42.8% 0.044 284.4)
-
Step 900
900
#403F53
oklch(37.7% 0.034 286.9)
-
Step 950
950
#252531
oklch(27% 0.022 284.8)
#646385 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) | #5A6786 | 0.017 |
| Deuteranopia (no green cones) | #596584 | 0.017 |
| Tritanopia (no blue cones) | #5D696F | 0.046 |
| Achromatopsia (no color) | #666666 | 0.054 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #646385
#646385
oklch(51.4% 0.053 285.7)
- #6B6945
#6B6945
oklch(51.3% 0.053 105.4)
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 #646385, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Slate #516572 ΔE 0.045
- Dusty Grape #545775 ΔE 0.048
- Metallic Blue #4F738E ΔE 0.049
- Muted Purple #805B87 ΔE 0.050
- Dusty Purple #825F87 ΔE 0.050
- Dusky Blue #475F94 ΔE 0.050
- Dim Gray #696969 ΔE 0.054
- Denim #3B638C ΔE 0.054
Use #646385 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.