#665C7D
Closest named color: Dusty Grape (#545775). oklch(49.7% 0.053 298.3), rgb(102, 92, 125).
Aa
White text reads best on this color (6.19:1).
About this color
#665C7D is a medium-dark, muted purple. In OKLCH its lightness is 50%, its chroma 0.053 and its hue 298°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dusty Grape (#545775), ΔE 0.035 away. White text reads best on it, at 6.19:1.
| Hue family | Purples |
| Lightness | medium-dark (50%) |
| Chroma | muted (0.053) |
| Temperature | in between |
| Nearest name | Dusty Grape (#545775) |
| Black text | 3.39:1 |
| White text | 6.19:1 |
Values
| HEX | #665C7D |
| RGB | rgb(102, 92, 125) |
| HSL | hsl(258, 15%, 43%) |
| OKLCH | oklch(49.7% 0.053 298.3) |
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 #665C7D | 6.19:1 | AA | Lc -86.0 | Fine for body text |
| Black text on #665C7D | 3.39:1 | AA large text | Lc 23.2 | Dividers and decoration only |
| #665C7D text on white | 6.19:1 | AA | Lc 80.9 | Fine for body text |
| #665C7D text on black | 3.39:1 | AA large text | Lc -21.0 | 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
#EAE9EE
oklch(93.6% 0.007 295.4)
-
Step 200
200
#DAD7E2
oklch(88.5% 0.015 298.5)
-
Step 300
300
#C2BDCF
oklch(80.8% 0.026 298.5)
-
Step 400
400
#A39BB7
oklch(70.6% 0.041 298.4)
-
Step 500
500
#8D83A6
oklch(63.1% 0.053 298)
-
Step 600
600
#776C91
oklch(55.5% 0.058 298.1)
-
Step 700
700 (this color)
#665C7D
oklch(49.7% 0.053 298.3)
-
Step 800
800
#524A64
oklch(42.7% 0.043 298.6)
-
Step 900
900
#443E52
oklch(37.8% 0.034 298.5)
-
Step 950
950
#282430
oklch(27% 0.023 300.1)
#665C7D 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) | #55617E | 0.028 |
| Deuteranopia (no green cones) | #56617C | 0.027 |
| Tritanopia (no blue cones) | #626167 | 0.044 |
| Achromatopsia (no color) | #616161 | 0.053 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #665C7D
#665C7D
oklch(49.7% 0.053 298.3)
- #5F6744
#5F6744
oklch(49.7% 0.053 118.9)
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 #665C7D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusty Grape #545775 ΔE 0.035
- Slate #516572 ΔE 0.047
- Muted Purple #805B87 ΔE 0.047
- Dusk #4E5481 ΔE 0.048
- Dull Purple #84597E ΔE 0.051
- Dusty Purple #825F87 ΔE 0.051
- Dusky Blue #475F94 ΔE 0.055
- YInMn Blue #415A77 ΔE 0.057
Use #665C7D 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.