#552D51
Closest named color: Grape Purple (#5D1451). oklch(36.3% 0.079 330.8), rgb(85, 45, 81).
Aa
White text reads best on this color (11.16:1).
About this color
#552D51 is a dark, moderately saturated purple. In OKLCH its lightness is 36%, its chroma 0.079 and its hue 331°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Grape Purple (#5D1451), ΔE 0.053 away. White text reads best on it, at 11.16:1.
| Hue family | Purples |
| Lightness | dark (36%) |
| Chroma | moderately saturated (0.079) |
| Temperature | in between |
| Nearest name | Grape Purple (#5D1451) |
| Black text | 1.88:1 |
| White text | 11.16:1 |
Values
| HEX | #552D51 |
| RGB | rgb(85, 45, 81) |
| HSL | hsl(306, 31%, 25%) |
| OKLCH | oklch(36.3% 0.079 330.8) |
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 #552D51 | 11.16:1 | AAA | Lc -99.4 | Preferred for body text |
| Black text on #552D51 | 1.88:1 | Fails | Lc 8.3 | Not readable |
| #552D51 text on white | 11.16:1 | AAA | Lc 95.6 | Preferred for body text |
| #552D51 text on black | 1.88:1 | Fails | Lc 0.0 | 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
#F9F4F8
oklch(97.2% 0.007 332.1)
-
Step 100
100
#F1E6EF
oklch(93.6% 0.017 331.6)
-
Step 200
200
#E7D2E3
oklch(88.6% 0.032 332.2)
-
Step 300
300
#D8B3D3
oklch(80.9% 0.06 330.6)
-
Step 400
400
#C38BBC
oklch(70.7% 0.094 330.9)
-
Step 500
500
#B36DAB
oklch(63.2% 0.121 331.1)
-
Step 600
600
#9E5397
oklch(55.6% 0.133 330.7)
-
Step 700
700
#874380
oklch(49.1% 0.123 331.2)
-
Step 800
800
#6E3868
oklch(42.8% 0.101 331.4)
-
Step 900
900 (this color)
#552D51
oklch(36.3% 0.079 330.8)
-
Step 950
950
#341D32
oklch(27% 0.05 330)
#552D51 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) | #2B3852 | 0.078 |
| Deuteranopia (no green cones) | #363D50 | 0.070 |
| Tritanopia (no blue cones) | #58303B | 0.043 |
| Achromatopsia (no color) | #3B3B3B | 0.080 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #552D51
#552D51
oklch(36.3% 0.079 330.8)
- #174927
#174927
oklch(36.2% 0.079 150.9)
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 #552D51, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Grape Purple #5D1451 ΔE 0.053
- Purple Brown #673A3F ΔE 0.068
- Onyx #343A40 ΔE 0.080
- Velvet #750851 ΔE 0.081
- Plum Purple #4E0550 ΔE 0.081
- Charcoal Grey #3C4142 ΔE 0.083
- Rich Purple #720058 ΔE 0.084
- Space Cadet #2B2D42 ΔE 0.085
Use #552D51 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.