#552E6B
Closest named color: Grape Purple (#5D1451). oklch(38% 0.108 311.9), rgb(85, 46, 107).
Aa
White text reads best on this color (10.55:1).
About this color
#552E6B is a dark, moderately saturated purple. In OKLCH its lightness is 38%, its chroma 0.108 and its hue 312°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Grape Purple (#5D1451), ΔE 0.064 away. White text reads best on it, at 10.55:1.
| Hue family | Purples |
| Lightness | dark (38%) |
| Chroma | moderately saturated (0.108) |
| Temperature | in between |
| Nearest name | Grape Purple (#5D1451) |
| Black text | 1.98:1 |
| White text | 10.55:1 |
Values
| HEX | #552E6B |
| RGB | rgb(85, 46, 107) |
| HSL | hsl(278, 40%, 30%) |
| OKLCH | oklch(38% 0.108 311.9) |
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 #552E6B | 10.55:1 | AAA | Lc -98.2 | Preferred for body text |
| Black text on #552E6B | 1.98:1 | Fails | Lc 9.7 | Not readable |
| #552E6B text on white | 10.55:1 | AAA | Lc 94.2 | Preferred for body text |
| #552E6B text on black | 1.98:1 | Fails | Lc -8.4 | 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 900.
-
Step 50
50
#F8F3FB
oklch(97% 0.012 313.2)
-
Step 100
100
#EFE6F6
oklch(93.7% 0.023 310.7)
-
Step 200
200
#E3D1EF
oklch(88.4% 0.045 312)
-
Step 300
300
#D2B2E7
oklch(80.9% 0.081 311.8)
-
Step 400
400
#BB88DB
oklch(70.7% 0.129 311.6)
-
Step 500
500
#AA67D1
oklch(63% 0.166 311.7)
-
Step 600
600
#964CBE
oklch(55.7% 0.18 311.9)
-
Step 700
700
#7F3CA4
oklch(49.1% 0.167 311.5)
-
Step 800
800
#683285
oklch(42.7% 0.139 312)
-
Step 900
900 (this color)
#552E6B
oklch(38% 0.108 311.9)
-
Step 950
950
#311B3E
oklch(26.9% 0.068 311.6)
#552E6B 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) | #1D3D6D | 0.092 |
| Deuteranopia (no green cones) | #2A4069 | 0.083 |
| Tritanopia (no blue cones) | #533848 | 0.073 |
| Achromatopsia (no color) | #3F3F3F | 0.108 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #552E6B
#552E6B
oklch(38% 0.108 311.9)
- #2C4D00
#2C4D00
oklch(38% 0.105 131.9)
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 #552E6B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Grape Purple #5D1451 ΔE 0.064
- Dark Slate Blue #483D8B ΔE 0.065
- Royal Purple #4B006E ΔE 0.081
- Rebecca Purple #663399 ΔE 0.083
- Blueberry #464196 ΔE 0.084
- Rich Purple #720058 ΔE 0.086
- Indigo #4B0082 ΔE 0.086
- Plum Purple #4E0550 ΔE 0.087
Use #552E6B 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.