#665A6B
Closest named color: Dusty Grape (#545775). oklch(48.5% 0.031 316), rgb(102, 90, 107).
Aa
White text reads best on this color (6.48:1).
About this color
#665A6B is a medium-dark, muted purple. In OKLCH its lightness is 49%, its chroma 0.031 and its hue 316°. 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 6.48:1.
| Hue family | Purples |
| Lightness | medium-dark (49%) |
| Chroma | muted (0.031) |
| Temperature | in between |
| Nearest name | Dusty Grape (#545775) |
| Black text | 3.23:1 |
| White text | 6.48:1 |
Values
| HEX | #665A6B |
| RGB | rgb(102, 90, 107) |
| HSL | hsl(282, 9%, 39%) |
| OKLCH | oklch(48.5% 0.031 316) |
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 #665A6B | 6.48:1 | AA | Lc -87.2 | Fine for body text |
| Black text on #665A6B | 3.23:1 | AA large text | Lc 21.9 | Dividers and decoration only |
| #665A6B text on white | 6.48:1 | AA | Lc 82.2 | Fine for body text |
| #665A6B text on black | 3.23:1 | AA large text | Lc -19.7 | 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
#F6F5F6
oklch(97.1% 0.002 325.6)
-
Step 100
100
#EBE9EC
oklch(93.6% 0.005 314.8)
-
Step 200
200
#DBD7DD
oklch(88.4% 0.009 314.8)
-
Step 300
300
#C4BEC7
oklch(80.9% 0.014 314.7)
-
Step 400
400
#A69CAB
oklch(70.6% 0.024 314.7)
-
Step 500
500
#918496
oklch(63.1% 0.031 316.7)
-
Step 600
600
#7B6E81
oklch(55.7% 0.033 315.2)
-
Step 700
700 (this color)
#665A6B
oklch(48.5% 0.031 316)
-
Step 800
800
#554B59
oklch(42.8% 0.026 316.3)
-
Step 900
900
#463F49
oklch(37.9% 0.019 315.8)
-
Step 950
950
#29252B
oklch(27.1% 0.012 314.6)
#665A6B 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) | #585D6C | 0.023 |
| Deuteranopia (no green cones) | #5A5E6A | 0.022 |
| Tritanopia (no blue cones) | #665C60 | 0.021 |
| Achromatopsia (no color) | #5E5E5E | 0.031 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #665A6B
#665A6B
oklch(48.5% 0.031 316)
- #576352
#576352
oklch(48.4% 0.03 136.5)
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 #665A6B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusty Grape #545775 ΔE 0.036
- Slate #516572 ΔE 0.041
- Dim Gray #696969 ΔE 0.047
- YInMn Blue #415A77 ΔE 0.057
- Dusk #4E5481 ΔE 0.059
- Dull Purple #84597E ΔE 0.062
- Muted Purple #805B87 ΔE 0.065
- Dark Mauve #874C62 ΔE 0.065
Use #665A6B 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.