#665C83
Closest named color: Dusty Grape (#545775). oklch(50% 0.062 295.8), rgb(102, 92, 131).
Aa
White text reads best on this color (6.13:1).
About this color
#665C83 is a medium-dark, muted purple. In OKLCH its lightness is 50%, its chroma 0.062 and its hue 296°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dusty Grape (#545775), ΔE 0.039 away. White text reads best on it, at 6.13:1.
| Hue family | Purples |
| Lightness | medium-dark (50%) |
| Chroma | muted (0.062) |
| Temperature | in between |
| Nearest name | Dusty Grape (#545775) |
| Black text | 3.42:1 |
| White text | 6.13:1 |
Values
| HEX | #665C83 |
| RGB | rgb(102, 92, 131) |
| HSL | hsl(255, 17%, 44%) |
| OKLCH | oklch(50% 0.062 295.8) |
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 #665C83 | 6.13:1 | AA | Lc -85.8 | Fine for body text |
| Black text on #665C83 | 3.42:1 | AA large text | Lc 23.5 | Dividers and decoration only |
| #665C83 text on white | 6.13:1 | AA | Lc 80.6 | Fine for body text |
| #665C83 text on black | 3.42:1 | AA large text | Lc -21.2 | 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
#F5F5F8
oklch(97.1% 0.004 286.3)
-
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
#C2BDD2
oklch(80.9% 0.03 296.6)
-
Step 400
400
#A39BBC
oklch(70.7% 0.048 296.3)
-
Step 500
500
#8C82AB
oklch(63% 0.062 295.8)
-
Step 600
600
#766B96
oklch(55.5% 0.067 295.9)
-
Step 700
700 (this color)
#665C83
oklch(50% 0.062 295.8)
-
Step 800
800
#514968
oklch(42.6% 0.051 296)
-
Step 900
900
#433D55
oklch(37.6% 0.041 295.8)
-
Step 950
950
#272432
oklch(27% 0.026 294.4)
#665C83 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) | #536285 | 0.031 |
| Deuteranopia (no green cones) | #546182 | 0.030 |
| Tritanopia (no blue cones) | #60626A | 0.050 |
| Achromatopsia (no color) | #626262 | 0.062 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #665C83
#665C83
oklch(50% 0.062 295.8)
- #61683E
#61683E
oklch(50% 0.062 116.4)
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 #665C83, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusty Grape #545775 ΔE 0.039
- Muted Purple #805B87 ΔE 0.044
- Dusk #4E5481 ΔE 0.046
- Dusty Purple #825F87 ΔE 0.049
- Dusky Blue #475F94 ΔE 0.050
- Dull Purple #84597E ΔE 0.051
- Slate #516572 ΔE 0.054
- Twilight #4E518B ΔE 0.055
Use #665C83 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.