#663552
Closest named color: Purple Brown (#673A3F). oklch(40.1% 0.08 344.9), rgb(102, 53, 82).
Aa
White text reads best on this color (9.56:1).
About this color
#663552 is a dark, moderately saturated purple. In OKLCH its lightness is 40%, its chroma 0.080 and its hue 345°. Its hue sits on the warm side of the wheel. The nearest named color is Purple Brown (#673A3F), ΔE 0.039 away. White text reads best on it, at 9.56:1.
| Hue family | Purples |
| Lightness | dark (40%) |
| Chroma | moderately saturated (0.080) |
| Temperature | warm |
| Nearest name | Purple Brown (#673A3F) |
| Black text | 2.19:1 |
| White text | 9.56:1 |
Values
| HEX | #663552 |
| RGB | rgb(102, 53, 82) |
| HSL | hsl(324, 32%, 30%) |
| OKLCH | oklch(40.1% 0.08 344.9) |
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 #663552 | 9.56:1 | AAA | Lc -96.2 | Preferred for body text |
| Black text on #663552 | 2.19:1 | Fails | Lc 12.1 | Not readable |
| #663552 text on white | 9.56:1 | AAA | Lc 91.9 | Preferred for body text |
| #663552 text on black | 2.19:1 | Fails | Lc -10.5 | 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
#FAF3F7
oklch(97.1% 0.009 341.8)
-
Step 100
100
#F3E5EC
oklch(93.5% 0.018 345.6)
-
Step 200
200
#EAD1DE
oklch(88.5% 0.033 345)
-
Step 300
300
#DEB2CA
oklch(81% 0.06 344.6)
-
Step 400
400
#CC88AE
oklch(70.7% 0.096 345.3)
-
Step 500
500
#BD699B
oklch(63.1% 0.123 344.6)
-
Step 600
600
#A84F85
oklch(55.6% 0.133 345)
-
Step 700
700
#903F71
oklch(49.1% 0.125 344.7)
-
Step 800
800
#75355C
oklch(42.7% 0.103 344.8)
-
Step 900
900 (this color)
#663552
oklch(40.1% 0.08 344.9)
-
Step 950
950
#381C2C
oklch(27.1% 0.05 345.7)
#663552 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) | #394053 | 0.084 |
| Deuteranopia (no green cones) | #454851 | 0.077 |
| Tritanopia (no blue cones) | #6C3540 | 0.033 |
| Achromatopsia (no color) | #454545 | 0.081 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #663552
#663552
oklch(40.1% 0.08 344.9)
- #0A553D
#0A553D
oklch(40% 0.08 165.2)
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 #663552, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Purple Brown #673A3F ΔE 0.039
- Brownish Purple #76424E ΔE 0.052
- Velvet #750851 ΔE 0.076
- Grape Purple #5D1451 ΔE 0.078
- Red Purple #820747 ΔE 0.081
- Merlot #730039 ΔE 0.083
- Wine #80013F ΔE 0.084
- Rich Purple #720058 ΔE 0.086
Use #663552 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.