#665A6D
Closest named color: Dusty Grape (#545775). oklch(48.6% 0.033 313.1), rgb(102, 90, 109).
Aa
White text reads best on this color (6.46:1).
About this color
#665A6D is a medium-dark, muted purple. In OKLCH its lightness is 49%, its chroma 0.033 and its hue 313°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dusty Grape (#545775), ΔE 0.034 away. White text reads best on it, at 6.46:1.
| Hue family | Purples |
| Lightness | medium-dark (49%) |
| Chroma | muted (0.033) |
| Temperature | in between |
| Nearest name | Dusty Grape (#545775) |
| Black text | 3.24:1 |
| White text | 6.46:1 |
Values
| HEX | #665A6D |
| RGB | rgb(102, 90, 109) |
| HSL | hsl(278, 10%, 39%) |
| OKLCH | oklch(48.6% 0.033 313.1) |
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 #665A6D | 6.46:1 | AA | Lc -87.2 | Fine for body text |
| Black text on #665A6D | 3.24:1 | AA large text | Lc 22.0 | Dividers and decoration only |
| #665A6D text on white | 6.46:1 | AA | Lc 82.1 | Fine for body text |
| #665A6D text on black | 3.24:1 | AA large text | Lc -19.8 | 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
#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
#C4BEC8
oklch(80.9% 0.015 312.2)
-
Step 400
400
#A69CAC
oklch(70.6% 0.026 313.1)
-
Step 500
500
#918498
oklch(63.2% 0.033 313.9)
-
Step 600
600
#7B6D83
oklch(55.5% 0.037 313.3)
-
Step 700
700 (this color)
#665A6D
oklch(48.6% 0.033 313.1)
-
Step 800
800
#544B5A
oklch(42.7% 0.027 311.9)
-
Step 900
900
#463E4A
oklch(37.7% 0.023 314.5)
-
Step 950
950
#29252B
oklch(27.1% 0.012 314.6)
#665A6D 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) | #585E6E | 0.024 |
| Deuteranopia (no green cones) | #5A5F6C | 0.023 |
| Tritanopia (no blue cones) | #665C60 | 0.024 |
| Achromatopsia (no color) | #5E5E5E | 0.034 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #665A6D
#665A6D
oklch(48.6% 0.033 313.1)
- #586450
#586450
oklch(48.7% 0.034 132.9)
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 #665A6D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusty Grape #545775 ΔE 0.034
- Slate #516572 ΔE 0.041
- Dim Gray #696969 ΔE 0.048
- YInMn Blue #415A77 ΔE 0.056
- Dusk #4E5481 ΔE 0.056
- Dull Purple #84597E ΔE 0.060
- Muted Purple #805B87 ΔE 0.062
- Dark Mauve #874C62 ΔE 0.065
Use #665A6D 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.