#665A7B
Closest named color: Dusty Grape (#545775). oklch(49.2% 0.054 301.1), rgb(102, 90, 123).
Aa
White text reads best on this color (6.33:1).
About this color
#665A7B is a medium-dark, muted purple. In OKLCH its lightness is 49%, its chroma 0.054 and its hue 301°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dusty Grape (#545775), ΔE 0.032 away. White text reads best on it, at 6.33:1.
| Hue family | Purples |
| Lightness | medium-dark (49%) |
| Chroma | muted (0.054) |
| Temperature | in between |
| Nearest name | Dusty Grape (#545775) |
| Black text | 3.31:1 |
| White text | 6.33:1 |
Values
| HEX | #665A7B |
| RGB | rgb(102, 90, 123) |
| HSL | hsl(262, 15%, 42%) |
| OKLCH | oklch(49.2% 0.054 301.1) |
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 #665A7B | 6.33:1 | AA | Lc -86.6 | Fine for body text |
| Black text on #665A7B | 3.31:1 | AA large text | Lc 22.5 | Dividers and decoration only |
| #665A7B text on white | 6.33:1 | AA | Lc 81.5 | Fine for body text |
| #665A7B text on black | 3.31:1 | AA large text | Lc -20.4 | 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
#A59BB7
oklch(70.7% 0.042 301.6)
-
Step 500
500
#8F82A5
oklch(63.1% 0.054 301.8)
-
Step 600
600
#796C90
oklch(55.7% 0.057 301.1)
-
Step 700
700 (this color)
#665A7B
oklch(49.2% 0.054 301.1)
-
Step 800
800
#534964
oklch(42.6% 0.046 301.4)
-
Step 900
900
#453D51
oklch(37.6% 0.035 303)
-
Step 950
950
#282430
oklch(27% 0.023 300.1)
#665A7B 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) | #535F7C | 0.031 |
| Deuteranopia (no green cones) | #555F7A | 0.029 |
| Tritanopia (no blue cones) | #635F66 | 0.042 |
| Achromatopsia (no color) | #5F5F5F | 0.054 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #665A7B
#665A7B
oklch(49.2% 0.054 301.1)
- #5C6643
#5C6643
oklch(49.2% 0.054 121.4)
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 #665A7B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusty Grape #545775 ΔE 0.032
- Dusk #4E5481 ΔE 0.045
- Muted Purple #805B87 ΔE 0.049
- Slate #516572 ΔE 0.049
- Dull Purple #84597E ΔE 0.052
- Dusty Purple #825F87 ΔE 0.054
- YInMn Blue #415A77 ΔE 0.055
- Dusky Blue #475F94 ΔE 0.057
Use #665A7B 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.