#64647D
Closest named color: Slate (#516572). oklch(51.3% 0.039 284.9), rgb(100, 100, 125).
Aa
White text reads best on this color (5.73:1).
About this color
#64647D is a medium-dark, muted purple. In OKLCH its lightness is 51%, its chroma 0.039 and its hue 285°. Its hue sits on the cool side of the wheel. The nearest named color is Slate (#516572), ΔE 0.035 away. White text reads best on it, at 5.73:1.
| Hue family | Purples |
| Lightness | medium-dark (51%) |
| Chroma | muted (0.039) |
| Temperature | cool |
| Nearest name | Slate (#516572) |
| Black text | 3.66:1 |
| White text | 5.73:1 |
Values
| HEX | #64647D |
| RGB | rgb(100, 100, 125) |
| HSL | hsl(240, 11%, 44%) |
| OKLCH | oklch(51.3% 0.039 284.9) |
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 #64647D | 5.73:1 | AA | Lc -84.0 | Fine for body text |
| Black text on #64647D | 3.66:1 | AA large text | Lc 25.4 | Dividers and decoration only |
| #64647D text on white | 5.73:1 | AA | Lc 78.7 | Fine for body text |
| #64647D 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
#F5F5F7
oklch(97.1% 0.003 286.4)
-
Step 100
100
#E9E9ED
oklch(93.5% 0.005 286.3)
-
Step 200
200
#D8D8E0
oklch(88.5% 0.011 286.2)
-
Step 300
300
#BFBFCD
oklch(80.9% 0.02 286)
-
Step 400
400
#9E9EB3
oklch(70.6% 0.03 285.6)
-
Step 500
500
#8687A1
oklch(63.2% 0.039 283.5)
-
Step 600
600
#70708C
oklch(55.5% 0.043 284.9)
-
Step 700
700 (this color)
#64647D
oklch(51.3% 0.039 284.9)
-
Step 800
800
#4D4D61
oklch(42.8% 0.033 284.9)
-
Step 900
900
#40404F
oklch(37.7% 0.025 285.1)
-
Step 950
950
#25252E
oklch(26.8% 0.017 285.2)
#64647D 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) | #5E677E | 0.011 |
| Deuteranopia (no green cones) | #5D657C | 0.011 |
| Tritanopia (no blue cones) | #5F686C | 0.035 |
| Achromatopsia (no color) | #666666 | 0.039 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #64647D
#64647D
oklch(51.3% 0.039 284.9)
- #6A684E
#6A684E
oklch(51.2% 0.039 104)
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 #64647D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Slate #516572 ΔE 0.035
- Dim Gray #696969 ΔE 0.040
- Dusty Grape #545775 ΔE 0.047
- Metallic Blue #4F738E ΔE 0.049
- Battleship Gray #6C757D ΔE 0.053
- Dusty Purple #825F87 ΔE 0.054
- Muted Purple #805B87 ΔE 0.055
- Denim #3B638C ΔE 0.058
Use #64647D 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.