#66304C
Closest named color: Purple Brown (#673A3F). oklch(39.1% 0.086 349.4), rgb(102, 48, 76).
Aa
White text reads best on this color (10.03:1).
About this color
#66304C is a dark, moderately saturated red. In OKLCH its lightness is 39%, its chroma 0.086 and its hue 349°. Its hue sits on the warm side of the wheel. The nearest named color is Purple Brown (#673A3F), ΔE 0.040 away. White text reads best on it, at 10.03:1.
| Hue family | Reds |
| Lightness | dark (39%) |
| Chroma | moderately saturated (0.086) |
| Temperature | warm |
| Nearest name | Purple Brown (#673A3F) |
| Black text | 2.09:1 |
| White text | 10.03:1 |
Values
| HEX | #66304C |
| RGB | rgb(102, 48, 76) |
| HSL | hsl(329, 36%, 29%) |
| OKLCH | oklch(39.1% 0.086 349.4) |
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 #66304C | 10.03:1 | AAA | Lc -97.1 | Preferred for body text |
| Black text on #66304C | 2.09:1 | Fails | Lc 11.0 | Not readable |
| #66304C text on white | 10.03:1 | AAA | Lc 93.0 | Preferred for body text |
| #66304C text on black | 2.09:1 | Fails | Lc -9.5 | 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 900.
-
Step 50
50
#FAF3F6
oklch(97% 0.008 349.2)
-
Step 100
100
#F4E5EC
oklch(93.6% 0.019 347.4)
-
Step 200
200
#ECD0DD
oklch(88.5% 0.036 348.1)
-
Step 300
300
#E1B0C7
oklch(80.8% 0.064 348.8)
-
Step 400
400
#D186AA
oklch(70.8% 0.102 349.8)
-
Step 500
500
#C36595
oklch(63.1% 0.132 349.6)
-
Step 600
600
#AE4B80
oklch(55.7% 0.142 349.4)
-
Step 700
700
#953B6C
oklch(49.1% 0.133 349.3)
-
Step 800
800
#793258
oklch(42.7% 0.109 349.4)
-
Step 900
900 (this color)
#66304C
oklch(39.1% 0.086 349.4)
-
Step 950
950
#3A1A2A
oklch(27% 0.055 350.2)
#66304C 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) | #363C4D | 0.092 |
| Deuteranopia (no green cones) | #44464B | 0.085 |
| Tritanopia (no blue cones) | #6D2E3B | 0.031 |
| Achromatopsia (no color) | #424242 | 0.086 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #66304C
#66304C
oklch(39.1% 0.086 349.4)
- #00523E
#00523E
oklch(39% 0.078 169.4)
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 #66304C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Purple Brown #673A3F ΔE 0.040
- Brownish Purple #76424E ΔE 0.061
- Velvet #750851 ΔE 0.069
- Grape Purple #5D1451 ΔE 0.069
- Merlot #730039 ΔE 0.071
- Red Purple #820747 ΔE 0.074
- Wine #80013F ΔE 0.075
- Bordeaux #7B002C ΔE 0.078
Use #66304C 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.