#66356A
Closest named color: Brownish Purple (#76424E). oklch(41.3% 0.103 324.4), rgb(102, 53, 106).
Aa
White text reads best on this color (9.20:1).
About this color
#66356A is a dark, moderately saturated purple. In OKLCH its lightness is 41%, its chroma 0.103 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 0.075 away. White text reads best on it, at 9.20:1.
| Hue family | Purples |
| Lightness | dark (41%) |
| Chroma | moderately saturated (0.103) |
| Temperature | in between |
| Nearest name | Brownish Purple (#76424E) |
| Black text | 2.28:1 |
| White text | 9.20:1 |
Values
| HEX | #66356A |
| RGB | rgb(102, 53, 106) |
| HSL | hsl(295, 33%, 31%) |
| OKLCH | oklch(41.3% 0.103 324.4) |
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 #66356A | 9.20:1 | AAA | Lc -95.3 | Preferred for body text |
| Black text on #66356A | 2.28:1 | Fails | Lc 13.1 | Not readable |
| #66356A text on white | 9.20:1 | AAA | Lc 90.9 | Preferred for body text |
| #66356A text on black | 2.28:1 | Fails | Lc -11.4 | 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
#E5D2E6
oklch(88.5% 0.034 324.3)
-
Step 300
300
#D5B4D7
oklch(80.9% 0.06 324.3)
-
Step 400
400
#BF8CC2
oklch(70.7% 0.096 324.7)
-
Step 500
500
#AE6EB3
oklch(63.1% 0.123 324.3)
-
Step 600
600
#99559F
oklch(55.7% 0.134 324.2)
-
Step 700
700
#834588
oklch(49.2% 0.124 324.5)
-
Step 800
800 (this color)
#66356A
oklch(41.3% 0.103 324.4)
-
Step 900
900
#563159
oklch(37.6% 0.081 324.3)
-
Step 950
950
#331D34
oklch(27% 0.051 325.4)
#66356A 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) | #2F446C | 0.097 |
| Deuteranopia (no green cones) | #3D4A68 | 0.088 |
| Tritanopia (no blue cones) | #683B4A | 0.061 |
| Achromatopsia (no color) | #484848 | 0.104 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #66356A
#66356A
oklch(41.3% 0.103 324.4)
- #205924
#205924
oklch(41.3% 0.103 144.6)
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 #66356A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Brownish Purple #76424E ΔE 0.075
- Dark Slate Blue #483D8B ΔE 0.078
- Purple Brown #673A3F ΔE 0.078
- Velvet #750851 ΔE 0.078
- Grape Purple #5D1451 ΔE 0.079
- Rebecca Purple #663399 ΔE 0.079
- Rich Purple #720058 ΔE 0.080
- Twilight #4E518B ΔE 0.089
Use #66356A 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.