#552B63
Closest named color: Grape Purple (#5D1451). oklch(37% 0.103 317.1), rgb(85, 43, 99).
Aa
White text reads best on this color (10.98:1).
About this color
#552B63 is a dark, moderately saturated purple. In OKLCH its lightness is 37%, its chroma 0.103 and its hue 317°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Grape Purple (#5D1451), ΔE 0.052 away. White text reads best on it, at 10.98:1.
| Hue family | Purples |
| Lightness | dark (37%) |
| Chroma | moderately saturated (0.103) |
| Temperature | in between |
| Nearest name | Grape Purple (#5D1451) |
| Black text | 1.91:1 |
| White text | 10.98:1 |
Values
| HEX | #552B63 |
| RGB | rgb(85, 43, 99) |
| HSL | hsl(285, 39%, 28%) |
| OKLCH | oklch(37% 0.103 317.1) |
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 #552B63 | 10.98:1 | AAA | Lc -99.0 | Preferred for body text |
| Black text on #552B63 | 1.91:1 | Fails | Lc 8.8 | Not readable |
| #552B63 text on white | 10.98:1 | AAA | Lc 95.1 | Preferred for body text |
| #552B63 text on black | 1.91:1 | Fails | Lc -7.5 | 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
#F8F3FA
oklch(97% 0.011 316.5)
-
Step 100
100
#F0E6F4
oklch(93.7% 0.021 316.5)
-
Step 200
200
#E5D1EC
oklch(88.5% 0.042 317.4)
-
Step 300
300
#D5B2E2
oklch(81% 0.076 316.8)
-
Step 400
400
#C087D3
oklch(70.7% 0.124 317.4)
-
Step 500
500
#AF67C8
oklch(63.1% 0.158 316.9)
-
Step 600
600
#9A4BB4
oklch(55.5% 0.172 317)
-
Step 700
700
#843C9B
oklch(49.2% 0.16 317.2)
-
Step 800
800
#6B327E
oklch(42.7% 0.133 316.9)
-
Step 900
900 (this color)
#552B63
oklch(37% 0.103 317.1)
-
Step 950
950
#331B3B
oklch(27% 0.065 317.2)
#552B63 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) | #1F3A65 | 0.093 |
| Deuteranopia (no green cones) | #2D3E62 | 0.083 |
| Tritanopia (no blue cones) | #553442 | 0.068 |
| Achromatopsia (no color) | #3C3C3C | 0.104 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #552B63
#552B63
oklch(37% 0.103 317.1)
- #224B0A
#224B0A
oklch(36.9% 0.103 136.9)
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 #552B63, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Grape Purple #5D1451 ΔE 0.052
- Plum Purple #4E0550 ΔE 0.076
- Dark Slate Blue #483D8B ΔE 0.078
- Rich Purple #720058 ΔE 0.079
- Royal Purple #4B006E ΔE 0.079
- Velvet #750851 ΔE 0.082
- Deep Violet #490648 ΔE 0.087
- Indigo #4B0082 ΔE 0.090
Use #552B63 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.