#665B7B
Closest named color: Dusty Grape (#545775). oklch(49.4% 0.052 300.3), rgb(102, 91, 123).
Aa
White text reads best on this color (6.27:1).
About this color
#665B7B is a medium-dark, muted purple. In OKLCH its lightness is 49%, its chroma 0.052 and its hue 300°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dusty Grape (#545775), ΔE 0.033 away. White text reads best on it, at 6.27:1.
| Hue family | Purples |
| Lightness | medium-dark (49%) |
| Chroma | muted (0.052) |
| Temperature | in between |
| Nearest name | Dusty Grape (#545775) |
| Black text | 3.34:1 |
| White text | 6.27:1 |
Values
| HEX | #665B7B |
| RGB | rgb(102, 91, 123) |
| HSL | hsl(261, 15%, 42%) |
| OKLCH | oklch(49.4% 0.052 300.3) |
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 #665B7B | 6.27:1 | AA | Lc -86.4 | Fine for body text |
| Black text on #665B7B | 3.34:1 | AA large text | Lc 22.8 | Dividers and decoration only |
| #665B7B text on white | 6.27:1 | AA | Lc 81.2 | Fine for body text |
| #665B7B text on black | 3.34:1 | AA large text | Lc -20.6 | 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
#DAD7E1
oklch(88.4% 0.014 299.8)
-
Step 300
300
#C3BDCF
oklch(80.9% 0.026 301)
-
Step 400
400
#A49BB6
oklch(70.6% 0.04 300.6)
-
Step 500
500
#8E83A4
oklch(63.1% 0.05 300.2)
-
Step 600
600
#786C90
oklch(55.6% 0.057 299.8)
-
Step 700
700 (this color)
#665B7B
oklch(49.4% 0.052 300.3)
-
Step 800
800
#534A63
oklch(42.8% 0.042 301.1)
-
Step 900
900
#443E51
oklch(37.8% 0.033 299.3)
-
Step 950
950
#28242F
oklch(26.9% 0.021 301.6)
#665B7B 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) | #55607C | 0.028 |
| Deuteranopia (no green cones) | #56607A | 0.028 |
| Tritanopia (no blue cones) | #626066 | 0.042 |
| Achromatopsia (no color) | #606060 | 0.052 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #665B7B
#665B7B
oklch(49.4% 0.052 300.3)
- #5D6645
#5D6645
oklch(49.3% 0.051 120.7)
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 #665B7B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusty Grape #545775 ΔE 0.033
- Dusk #4E5481 ΔE 0.047
- Slate #516572 ΔE 0.047
- Muted Purple #805B87 ΔE 0.049
- Dull Purple #84597E ΔE 0.052
- Dusty Purple #825F87 ΔE 0.053
- YInMn Blue #415A77 ΔE 0.056
- Dusky Blue #475F94 ΔE 0.057
Use #665B7B 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.