#665B80
Closest named color: Dusty Grape (#545775). oklch(49.6% 0.059 297.8), rgb(102, 91, 128).
Aa
White text reads best on this color (6.22:1).
About this color
#665B80 is a medium-dark, muted purple. In OKLCH its lightness is 50%, its chroma 0.059 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 0.036 away. White text reads best on it, at 6.22:1.
| Hue family | Purples |
| Lightness | medium-dark (50%) |
| Chroma | muted (0.059) |
| Temperature | in between |
| Nearest name | Dusty Grape (#545775) |
| Black text | 3.37:1 |
| White text | 6.22:1 |
Values
| HEX | #665B80 |
| RGB | rgb(102, 91, 128) |
| HSL | hsl(258, 17%, 43%) |
| OKLCH | oklch(49.6% 0.059 297.8) |
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 #665B80 | 6.22:1 | AA | Lc -86.2 | Fine for body text |
| Black text on #665B80 | 3.37:1 | AA large text | Lc 23.0 | Dividers and decoration only |
| #665B80 text on white | 6.22:1 | AA | Lc 81.0 | Fine for body text |
| #665B80 text on black | 3.37:1 | AA large text | Lc -20.8 | 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
#EAE9EF
oklch(93.7% 0.008 293.9)
-
Step 200
200
#DAD7E3
oklch(88.5% 0.017 297.5)
-
Step 300
300
#C2BDD1
oklch(80.9% 0.028 297.2)
-
Step 400
400
#A49BBA
oklch(70.7% 0.046 298.5)
-
Step 500
500
#8D82A9
oklch(63% 0.059 297.6)
-
Step 600
600
#776B94
oklch(55.5% 0.064 297.7)
-
Step 700
700 (this color)
#665B80
oklch(49.6% 0.059 297.8)
-
Step 800
800
#524967
oklch(42.7% 0.05 298)
-
Step 900
900
#443D54
oklch(37.7% 0.04 298.4)
-
Step 950
950
#282431
oklch(27% 0.024 298.9)
#665B80 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) | #536182 | 0.031 |
| Deuteranopia (no green cones) | #54607F | 0.030 |
| Tritanopia (no blue cones) | #616168 | 0.049 |
| Achromatopsia (no color) | #616161 | 0.060 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #665B80
#665B80
oklch(49.6% 0.059 297.8)
- #5F673F
#5F673F
oklch(49.6% 0.06 117.9)
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 #665B80, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusty Grape #545775 ΔE 0.036
- Dusk #4E5481 ΔE 0.045
- Muted Purple #805B87 ΔE 0.046
- Dusty Purple #825F87 ΔE 0.051
- Dull Purple #84597E ΔE 0.051
- Slate #516572 ΔE 0.052
- Dusky Blue #475F94 ΔE 0.052
- Twilight #4E518B ΔE 0.055
Use #665B80 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.