#552B66
Closest named color: Grape Purple (#5D1451). oklch(37.2% 0.107 315.3), rgb(85, 43, 102).
Aa
White text reads best on this color (10.91:1).
About this color
#552B66 is a dark, moderately saturated purple. In OKLCH its lightness is 37%, its chroma 0.107 and its hue 315°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Grape Purple (#5D1451), ΔE 0.055 away. White text reads best on it, at 10.91:1.
| Hue family | Purples |
| Lightness | dark (37%) |
| Chroma | moderately saturated (0.107) |
| Temperature | in between |
| Nearest name | Grape Purple (#5D1451) |
| Black text | 1.92:1 |
| White text | 10.91:1 |
Values
| HEX | #552B66 |
| RGB | rgb(85, 43, 102) |
| HSL | hsl(283, 41%, 28%) |
| OKLCH | oklch(37.2% 0.107 315.3) |
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 #552B66 | 10.91:1 | AAA | Lc -98.8 | Preferred for body text |
| Black text on #552B66 | 1.92:1 | Fails | Lc 9.0 | Not readable |
| #552B66 text on white | 10.91:1 | AAA | Lc 94.9 | Preferred for body text |
| #552B66 text on black | 1.92:1 | Fails | Lc -7.7 | 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
#F8F3FA
oklch(97% 0.011 316.5)
-
Step 100
100
#F0E5F5
oklch(93.5% 0.024 315.5)
-
Step 200
200
#E5D1EE
oklch(88.6% 0.045 315.5)
-
Step 300
300
#D5B1E4
oklch(80.9% 0.08 315.9)
-
Step 400
400
#BF87D7
oklch(70.7% 0.128 315.3)
-
Step 500
500
#AE66CC
oklch(63.1% 0.164 315.2)
-
Step 600
600
#9A4AB9
oklch(55.6% 0.179 315.4)
-
Step 700
700
#833B9F
oklch(49.1% 0.165 315.3)
-
Step 800
800
#6A3181
oklch(42.6% 0.137 315)
-
Step 900
900 (this color)
#552B66
oklch(37.2% 0.107 315.3)
-
Step 950
950
#331B3D
oklch(27.1% 0.068 315.2)
#552B66 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) | #1D3A68 | 0.095 |
| Deuteranopia (no green cones) | #2B3E64 | 0.085 |
| Tritanopia (no blue cones) | #543544 | 0.071 |
| Achromatopsia (no color) | #3D3D3D | 0.107 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #552B66
#552B66
oklch(37.2% 0.107 315.3)
- #244C02
#244C02
oklch(37.2% 0.108 135.2)
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 #552B66, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Grape Purple #5D1451 ΔE 0.055
- Dark Slate Blue #483D8B ΔE 0.075
- Royal Purple #4B006E ΔE 0.077
- Plum Purple #4E0550 ΔE 0.078
- Rich Purple #720058 ΔE 0.080
- Velvet #750851 ΔE 0.084
- Indigo #4B0082 ΔE 0.086
- Deep Violet #490648 ΔE 0.089
Use #552B66 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.