#66376A
Closest named color: Brownish Purple (#76424E). oklch(41.6% 0.099 324.3), rgb(102, 55, 106).
Aa
White text reads best on this color (9.05:1).
About this color
#66376A is a dark, moderately saturated purple. In OKLCH its lightness is 42%, its chroma 0.099 and its hue 324°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Brownish Purple (#76424E), ΔE 0.072 away. White text reads best on it, at 9.05:1.
| Hue family | Purples |
| Lightness | dark (42%) |
| Chroma | moderately saturated (0.099) |
| Temperature | in between |
| Nearest name | Brownish Purple (#76424E) |
| Black text | 2.31:1 |
| White text | 9.05:1 |
Values
| HEX | #66376A |
| RGB | rgb(102, 55, 106) |
| HSL | hsl(295, 32%, 32%) |
| OKLCH | oklch(41.6% 0.099 324.3) |
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 #66376A | 9.05:1 | AAA | Lc -95.0 | Preferred for body text |
| Black text on #66376A | 2.31:1 | Fails | Lc 13.4 | Not readable |
| #66376A text on white | 9.05:1 | AAA | Lc 90.5 | Preferred for body text |
| #66376A text on black | 2.31:1 | Fails | Lc -11.8 | 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
#F8F4F8
oklch(97.1% 0.007 325.6)
-
Step 100
100
#F0E6F0
oklch(93.6% 0.017 325.7)
-
Step 200
200
#E4D2E5
oklch(88.4% 0.032 324.3)
-
Step 300
300
#D4B4D6
oklch(80.8% 0.059 324.3)
-
Step 400
400
#BE8DC1
oklch(70.8% 0.092 324.6)
-
Step 500
500
#AD6FB2
oklch(63.1% 0.12 324.2)
-
Step 600
600
#98569D
oklch(55.6% 0.129 324.5)
-
Step 700
700
#814686
oklch(49% 0.119 324.3)
-
Step 800
800 (this color)
#66376A
oklch(41.6% 0.099 324.3)
-
Step 900
900
#563258
oklch(37.7% 0.078 325.1)
-
Step 950
950
#321E34
oklch(27% 0.048 323.6)
#66376A 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) | #31456C | 0.093 |
| Deuteranopia (no green cones) | #3E4B68 | 0.085 |
| Tritanopia (no blue cones) | #683D4B | 0.060 |
| Achromatopsia (no color) | #494949 | 0.100 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #66376A
#66376A
oklch(41.6% 0.099 324.3)
- #245926
#245926
oklch(41.5% 0.099 144.2)
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 #66376A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Brownish Purple #76424E ΔE 0.072
- Purple Brown #673A3F ΔE 0.076
- Dark Slate Blue #483D8B ΔE 0.077
- Rebecca Purple #663399 ΔE 0.080
- Velvet #750851 ΔE 0.082
- Grape Purple #5D1451 ΔE 0.083
- Rich Purple #720058 ΔE 0.085
- Twilight #4E518B ΔE 0.085
Use #66376A 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.