#66335E
Closest named color: Purple Brown (#673A3F). oklch(40.3% 0.094 333.3), rgb(102, 51, 94).
Aa
White text reads best on this color (9.54:1).
About this color
#66335E is a dark, moderately saturated purple. In OKLCH its lightness is 40%, its chroma 0.094 and its hue 333°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Purple Brown (#673A3F), ΔE 0.061 away. White text reads best on it, at 9.54:1.
| Hue family | Purples |
| Lightness | dark (40%) |
| Chroma | moderately saturated (0.094) |
| Temperature | in between |
| Nearest name | Purple Brown (#673A3F) |
| Black text | 2.20:1 |
| White text | 9.54:1 |
Values
| HEX | #66335E |
| RGB | rgb(102, 51, 94) |
| HSL | hsl(309, 33%, 30%) |
| OKLCH | oklch(40.3% 0.094 333.3) |
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 #66335E | 9.54:1 | AAA | Lc -96.1 | Preferred for body text |
| Black text on #66335E | 2.20:1 | Fails | Lc 12.2 | Not readable |
| #66335E text on white | 9.54:1 | AAA | Lc 91.8 | Preferred for body text |
| #66335E text on black | 2.20:1 | Fails | Lc -10.6 | 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
#E6D2E2
oklch(88.5% 0.031 332.5)
-
Step 300
300
#D7B4D0
oklch(80.9% 0.055 333)
-
Step 400
400
#C28CB8
oklch(70.7% 0.088 333.1)
-
Step 500
500
#B26EA6
oklch(63% 0.113 333.5)
-
Step 600
600
#9D5591
oklch(55.5% 0.123 333.6)
-
Step 700
700
#86457C
oklch(49.1% 0.115 333.2)
-
Step 800
800 (this color)
#66335E
oklch(40.3% 0.094 333.3)
-
Step 900
900
#593252
oklch(37.8% 0.073 333.8)
-
Step 950
950
#341D30
oklch(26.9% 0.048 333.3)
#66335E 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) | #32415F | 0.095 |
| Deuteranopia (no green cones) | #40485D | 0.086 |
| Tritanopia (no blue cones) | #6A3644 | 0.048 |
| Achromatopsia (no color) | #454545 | 0.095 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #66335E
#66335E
oklch(40.3% 0.094 333.3)
- #10572F
#10572F
oklch(40.4% 0.095 153.2)
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 #66335E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Purple Brown #673A3F ΔE 0.061
- Brownish Purple #76424E ΔE 0.066
- Velvet #750851 ΔE 0.070
- Grape Purple #5D1451 ΔE 0.070
- Rich Purple #720058 ΔE 0.075
- Red Purple #820747 ΔE 0.081
- Wine #80013F ΔE 0.087
- Merlot #730039 ΔE 0.087
Use #66335E 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.