#64537D
Closest named color: Dusty Grape (#545775). oklch(47.6% 0.069 302.4), rgb(100, 83, 125).
Aa
White text reads best on this color (6.82:1).
About this color
#64537D is a medium-dark, muted purple. In OKLCH its lightness is 48%, its chroma 0.069 and its hue 302°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dusty Grape (#545775), ΔE 0.032 away. White text reads best on it, at 6.82:1.
| Hue family | Purples |
| Lightness | medium-dark (48%) |
| Chroma | muted (0.069) |
| Temperature | in between |
| Nearest name | Dusty Grape (#545775) |
| Black text | 3.07:1 |
| White text | 6.82:1 |
Values
| HEX | #64537D |
| RGB | rgb(100, 83, 125) |
| HSL | hsl(264, 20%, 41%) |
| OKLCH | oklch(47.6% 0.069 302.4) |
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 #64537D | 6.82:1 | AA | Lc -88.5 | Fine for body text |
| Black text on #64537D | 3.07:1 | AA large text | Lc 20.5 | Dividers and decoration only |
| #64537D text on white | 6.82:1 | AA | Lc 83.5 | Fine for body text |
| #64537D text on black | 3.07:1 | AA large text | Lc -18.4 | 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
#F6F5F8
oklch(97.2% 0.004 301.4)
-
Step 100
100
#EBE8EF
oklch(93.5% 0.01 305.4)
-
Step 200
200
#DBD6E4
oklch(88.4% 0.02 302.2)
-
Step 300
300
#C4BCD3
oklch(80.9% 0.033 301.5)
-
Step 400
400
#A799BD
oklch(70.7% 0.054 302.8)
-
Step 500
500
#9180AC
oklch(63.1% 0.068 302.2)
-
Step 600
600
#7C6998
oklch(55.7% 0.074 302.6)
-
Step 700
700 (this color)
#64537D
oklch(47.6% 0.069 302.4)
-
Step 800
800
#554769
oklch(42.6% 0.058 302.9)
-
Step 900
900
#463C55
oklch(37.7% 0.044 302.7)
-
Step 950
950
#292332
oklch(27% 0.029 302.8)
#64537D 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) | #4A5A7F | 0.042 |
| Deuteranopia (no green cones) | #4D5B7C | 0.041 |
| Tritanopia (no blue cones) | #605962 | 0.053 |
| Achromatopsia (no color) | #5B5B5B | 0.069 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #64537D
#64537D
oklch(47.6% 0.069 302.4)
- #566336
#566336
oklch(47.7% 0.069 122.2)
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 #64537D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusty Grape #545775 ΔE 0.032
- Dusk #4E5481 ΔE 0.035
- Twilight #4E518B ΔE 0.043
- YInMn Blue #415A77 ΔE 0.056
- Muted Purple #805B87 ΔE 0.057
- Dusky Blue #475F94 ΔE 0.057
- Dull Purple #84597E ΔE 0.060
- Dusty Purple #825F87 ΔE 0.065
Use #64537D 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.