#665B93
Closest named color: Dusky Blue (#475F94). oklch(50.6% 0.088 292), rgb(102, 91, 147).
Aa
White text reads best on this color (6.02:1).
About this color
#665B93 is a medium-dark, moderately saturated purple. In OKLCH its lightness is 51%, its chroma 0.088 and its hue 292°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dusky Blue (#475F94), ΔE 0.045 away. White text reads best on it, at 6.02:1.
| Hue family | Purples |
| Lightness | medium-dark (51%) |
| Chroma | moderately saturated (0.088) |
| Temperature | in between |
| Nearest name | Dusky Blue (#475F94) |
| Black text | 3.48:1 |
| White text | 6.02:1 |
Values
| HEX | #665B93 |
| RGB | rgb(102, 91, 147) |
| HSL | hsl(252, 24%, 47%) |
| OKLCH | oklch(50.6% 0.088 292) |
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 #665B93 | 6.02:1 | AA | Lc -85.3 | Fine for body text |
| Black text on #665B93 | 3.48:1 | AA large text | Lc 24.0 | Dividers and decoration only |
| #665B93 text on white | 6.02:1 | AA | Lc 80.1 | Fine for body text |
| #665B93 text on black | 3.48:1 | AA large text | Lc -21.8 | 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
#F5F5F9
oklch(97.1% 0.005 286.3)
-
Step 100
100
#EAE8F2
oklch(93.5% 0.014 295.3)
-
Step 200
200
#D9D7E8
oklch(88.6% 0.023 291.3)
-
Step 300
300
#C1BCDB
oklch(80.9% 0.044 292.8)
-
Step 400
400
#A199C8
oklch(70.6% 0.068 292.4)
-
Step 500
500
#8A80BA
oklch(63.1% 0.087 291.6)
-
Step 600
600
#7569A6
oklch(55.7% 0.094 292.1)
-
Step 700
700 (this color)
#665B93
oklch(50.6% 0.088 292)
-
Step 800
800
#504774
oklch(42.7% 0.074 292.2)
-
Step 900
900
#423C5D
oklch(37.7% 0.056 291.8)
-
Step 950
950
#272337
oklch(27% 0.037 292.9)
#665B93 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) | #4B6495 | 0.043 |
| Deuteranopia (no green cones) | #4C6292 | 0.041 |
| Tritanopia (no blue cones) | #5C6570 | 0.073 |
| Achromatopsia (no color) | #636363 | 0.088 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #665B93
#665B93
oklch(50.6% 0.088 292)
- #666A28
#666A28
oklch(50.6% 0.089 112.4)
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 #665B93, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusky Blue #475F94 ΔE 0.045
- Muted Purple #805B87 ΔE 0.048
- Twilight #4E518B ΔE 0.050
- Dusk #4E5481 ΔE 0.052
- Dusty Purple #825F87 ΔE 0.054
- Dusty Grape #545775 ΔE 0.057
- Dull Purple #84597E ΔE 0.060
- Denim Blue #3B5B92 ΔE 0.060
Use #665B93 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.