#66355D
Closest named color: Purple Brown (#673A3F). oklch(40.6% 0.09 334.3), rgb(102, 53, 93).
Aa
White text reads best on this color (9.40:1).
About this color
#66355D is a dark, moderately saturated purple. In OKLCH its lightness is 41%, its chroma 0.090 and its hue 334°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Purple Brown (#673A3F), ΔE 0.057 away. White text reads best on it, at 9.40:1.
| Hue family | Purples |
| Lightness | dark (41%) |
| Chroma | moderately saturated (0.090) |
| Temperature | in between |
| Nearest name | Purple Brown (#673A3F) |
| Black text | 2.23:1 |
| White text | 9.40:1 |
Values
| HEX | #66355D |
| RGB | rgb(102, 53, 93) |
| HSL | hsl(311, 32%, 30%) |
| OKLCH | oklch(40.6% 0.09 334.3) |
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 #66355D | 9.40:1 | AAA | Lc -95.8 | Preferred for body text |
| Black text on #66355D | 2.23:1 | Fails | Lc 12.5 | Not readable |
| #66355D text on white | 9.40:1 | AAA | Lc 91.5 | Preferred for body text |
| #66355D text on black | 2.23:1 | Fails | Lc -10.9 | Not readable |
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 800.
-
Step 50
50
#F9F4F7
oklch(97.2% 0.007 340.4)
-
Step 100
100
#F1E6EE
oklch(93.6% 0.016 335.1)
-
Step 200
200
#E6D2E1
oklch(88.4% 0.03 334.4)
-
Step 300
300
#D7B4CF
oklch(80.9% 0.054 334.1)
-
Step 400
400
#C18DB6
oklch(70.7% 0.084 334.1)
-
Step 500
500
#B170A4
oklch(63.2% 0.107 334.3)
-
Step 600
600
#9C578F
oklch(55.6% 0.117 334.4)
-
Step 700
700
#85477A
oklch(49.1% 0.109 334)
-
Step 800
800 (this color)
#66355D
oklch(40.6% 0.09 334.3)
-
Step 900
900
#583351
oklch(37.8% 0.07 334.1)
-
Step 950
950
#341E2F
oklch(27.1% 0.044 335.4)
#66355D 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) | #35425E | 0.090 |
| Deuteranopia (no green cones) | #42495C | 0.082 |
| Tritanopia (no blue cones) | #6A3844 | 0.047 |
| Achromatopsia (no color) | #464646 | 0.090 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #66355D
#66355D
oklch(40.6% 0.09 334.3)
- #155732
#155732
oklch(40.6% 0.09 154.1)
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 #66355D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Purple Brown #673A3F ΔE 0.057
- Brownish Purple #76424E ΔE 0.061
- Velvet #750851 ΔE 0.074
- Grape Purple #5D1451 ΔE 0.075
- Rich Purple #720058 ΔE 0.080
- Red Purple #820747 ΔE 0.083
- Wine #80013F ΔE 0.088
- Merlot #730039 ΔE 0.090
Use #66355D 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.