#552F66
Closest named color: Grape Purple (#5D1451). oklch(37.8% 0.1 314.5), rgb(85, 47, 102).
Aa
White text reads best on this color (10.58:1).
About this color
#552F66 is a dark, moderately saturated purple. In OKLCH its lightness is 38%, its chroma 0.100 and its hue 314°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Grape Purple (#5D1451), ΔE 0.061 away. White text reads best on it, at 10.58:1.
| Hue family | Purples |
| Lightness | dark (38%) |
| Chroma | moderately saturated (0.100) |
| Temperature | in between |
| Nearest name | Grape Purple (#5D1451) |
| Black text | 1.98:1 |
| White text | 10.58:1 |
Values
| HEX | #552F66 |
| RGB | rgb(85, 47, 102) |
| HSL | hsl(281, 37%, 29%) |
| OKLCH | oklch(37.8% 0.1 314.5) |
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 #552F66 | 10.58:1 | AAA | Lc -98.3 | Preferred for body text |
| Black text on #552F66 | 1.98:1 | Fails | Lc 9.6 | Not readable |
| #552F66 text on white | 10.58:1 | AAA | Lc 94.3 | Preferred for body text |
| #552F66 text on black | 1.98:1 | Fails | Lc -8.3 | 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
#F8F4FA
oklch(97.2% 0.009 314.8)
-
Step 100
100
#EFE6F4
oklch(93.6% 0.021 313.8)
-
Step 200
200
#E3D1ED
oklch(88.4% 0.043 313.7)
-
Step 300
300
#D3B3E3
oklch(81% 0.075 314.4)
-
Step 400
400
#BC89D4
oklch(70.6% 0.12 314.5)
-
Step 500
500
#AB6AC9
oklch(63.2% 0.152 314.3)
-
Step 600
600
#964FB5
oklch(55.6% 0.165 314.5)
-
Step 700
700
#803F9C
oklch(49.1% 0.154 314.5)
-
Step 800
800
#68357F
oklch(42.8% 0.128 314.1)
-
Step 900
900 (this color)
#552F66
oklch(37.8% 0.1 314.5)
-
Step 950
950
#321C3C
oklch(27.1% 0.064 314.5)
#552F66 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) | #233D68 | 0.086 |
| Deuteranopia (no green cones) | #2E4065 | 0.077 |
| Tritanopia (no blue cones) | #543846 | 0.067 |
| Achromatopsia (no color) | #3F3F3F | 0.100 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #552F66
#552F66
oklch(37.8% 0.1 314.5)
- #294D0C
#294D0C
oklch(37.9% 0.1 134.7)
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 #552F66, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Grape Purple #5D1451 ΔE 0.061
- Dark Slate Blue #483D8B ΔE 0.070
- Rich Purple #720058 ΔE 0.085
- Royal Purple #4B006E ΔE 0.086
- Plum Purple #4E0550 ΔE 0.086
- Velvet #750851 ΔE 0.087
- Blueberry #464196 ΔE 0.090
- Purple Brown #673A3F ΔE 0.090
Use #552F66 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.