#66345E
Closest named color: Purple Brown (#673A3F). oklch(40.5% 0.093 333.4), rgb(102, 52, 94).
Aa
White text reads best on this color (9.46:1).
About this color
#66345E is a dark, moderately saturated purple. In OKLCH its lightness is 41%, its chroma 0.093 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 0.060 away. White text reads best on it, at 9.46:1.
| Hue family | Purples |
| Lightness | dark (41%) |
| Chroma | moderately saturated (0.093) |
| Temperature | in between |
| Nearest name | Purple Brown (#673A3F) |
| Black text | 2.21:1 |
| White text | 9.46:1 |
Values
| HEX | #66345E |
| RGB | rgb(102, 52, 94) |
| HSL | hsl(310, 32%, 30%) |
| OKLCH | oklch(40.5% 0.093 333.4) |
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 #66345E | 9.46:1 | AAA | Lc -95.9 | Preferred for body text |
| Black text on #66345E | 2.21:1 | Fails | Lc 12.3 | Not readable |
| #66345E text on white | 9.46:1 | AAA | Lc 91.6 | Preferred for body text |
| #66345E text on black | 2.21:1 | Fails | Lc -10.8 | 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
#B16FA6
oklch(63.1% 0.111 333)
-
Step 600
600
#9C5691
oklch(55.5% 0.12 333.1)
-
Step 700
700
#85467B
oklch(49% 0.111 333.3)
-
Step 800
800 (this color)
#66345E
oklch(40.5% 0.093 333.4)
-
Step 900
900
#583252
oklch(37.7% 0.073 332.9)
-
Step 950
950
#341E30
oklch(27.1% 0.045 333.5)
#66345E 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) | #33415F | 0.093 |
| Deuteranopia (no green cones) | #41485D | 0.083 |
| Tritanopia (no blue cones) | #6A3744 | 0.048 |
| Achromatopsia (no color) | #464646 | 0.093 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #66345E
#66345E
oklch(40.5% 0.093 333.4)
- #135730
#135730
oklch(40.5% 0.093 153.3)
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 #66345E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Purple Brown #673A3F ΔE 0.060
- Brownish Purple #76424E ΔE 0.064
- Velvet #750851 ΔE 0.072
- Grape Purple #5D1451 ΔE 0.072
- Rich Purple #720058 ΔE 0.078
- Red Purple #820747 ΔE 0.083
- Wine #80013F ΔE 0.088
- Merlot #730039 ΔE 0.089
Use #66345E 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.