#665D79
Closest named color: Dusty Grape (#545775). oklch(49.7% 0.045 299.5), rgb(102, 93, 121).
Aa
White text reads best on this color (6.16:1).
About this color
#665D79 is a medium-dark, muted purple. In OKLCH its lightness is 50%, its chroma 0.045 and its hue 299°. 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 6.16:1.
| Hue family | Purples |
| Lightness | medium-dark (50%) |
| Chroma | muted (0.045) |
| Temperature | in between |
| Nearest name | Dusty Grape (#545775) |
| Black text | 3.40:1 |
| White text | 6.16:1 |
Values
| HEX | #665D79 |
| RGB | rgb(102, 93, 121) |
| HSL | hsl(259, 13%, 42%) |
| OKLCH | oklch(49.7% 0.045 299.5) |
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 #665D79 | 6.16:1 | AA | Lc -85.9 | Fine for body text |
| Black text on #665D79 | 3.40:1 | AA large text | Lc 23.3 | Dividers and decoration only |
| #665D79 text on white | 6.16:1 | AA | Lc 80.8 | Fine for body text |
| #665D79 text on black | 3.40:1 | AA large text | Lc -21.1 | 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
#F6F5F7
oklch(97.1% 0.003 308.4)
-
Step 100
100
#EAE9ED
oklch(93.6% 0.005 297.7)
-
Step 200
200
#DAD7E0
oklch(88.4% 0.013 301.3)
-
Step 300
300
#C2BECD
oklch(80.9% 0.021 298.1)
-
Step 400
400
#A39CB4
oklch(70.7% 0.035 298.8)
-
Step 500
500
#8D84A1
oklch(63.1% 0.044 299.3)
-
Step 600
600
#776D8C
oklch(55.5% 0.049 299.6)
-
Step 700
700 (this color)
#665D79
oklch(49.7% 0.045 299.5)
-
Step 800
800
#524B61
oklch(42.8% 0.037 299.4)
-
Step 900
900
#443E4F
oklch(37.7% 0.03 301.1)
-
Step 950
950
#28252E
oklch(27.2% 0.017 300.5)
#665D79 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) | #57617A | 0.024 |
| Deuteranopia (no green cones) | #596178 | 0.023 |
| Tritanopia (no blue cones) | #636167 | 0.036 |
| Achromatopsia (no color) | #616161 | 0.045 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #665D79
#665D79
oklch(49.7% 0.045 299.5)
- #5F6749
#5F6749
oklch(49.8% 0.046 120.2)
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 #665D79, 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 0.042
- Muted Purple #805B87 ΔE 0.051
- Dim Gray #696969 ΔE 0.051
- Dusk #4E5481 ΔE 0.051
- Dull Purple #84597E ΔE 0.053
- Dusty Purple #825F87 ΔE 0.053
- YInMn Blue #415A77 ΔE 0.056
Use #665D79 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.