#552D6B
Closest named color: Grape Purple (#5D1451). oklch(37.8% 0.109 312.1), rgb(85, 45, 107).
Aa
White text reads best on this color (10.63:1).
About this color
#552D6B is a dark, moderately saturated purple. In OKLCH its lightness is 38%, its chroma 0.109 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 0.063 away. White text reads best on it, at 10.63:1.
| Hue family | Purples |
| Lightness | dark (38%) |
| Chroma | moderately saturated (0.109) |
| Temperature | in between |
| Nearest name | Grape Purple (#5D1451) |
| Black text | 1.97:1 |
| White text | 10.63:1 |
Values
| HEX | #552D6B |
| RGB | rgb(85, 45, 107) |
| HSL | hsl(279, 41%, 30%) |
| OKLCH | oklch(37.8% 0.109 312.1) |
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 #552D6B | 10.63:1 | AAA | Lc -98.3 | Preferred for body text |
| Black text on #552D6B | 1.97:1 | Fails | Lc 9.6 | Not readable |
| #552D6B text on white | 10.63:1 | AAA | Lc 94.3 | Preferred for body text |
| #552D6B text on black | 1.97:1 | Fails | Lc -8.2 | 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
#D3B2E7
oklch(81% 0.081 312.5)
-
Step 400
400
#BC87DB
oklch(70.6% 0.131 312.3)
-
Step 500
500
#AB66D2
oklch(63% 0.169 312)
-
Step 600
600
#964BBF
oklch(55.6% 0.182 311.7)
-
Step 700
700
#803BA4
oklch(49.1% 0.169 312.1)
-
Step 800
800
#683285
oklch(42.7% 0.139 312)
-
Step 900
900 (this color)
#552D6B
oklch(37.8% 0.109 312.1)
-
Step 950
950
#321B3F
oklch(27.1% 0.07 312.1)
#552D6B 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) | #1C3C6D | 0.094 |
| Deuteranopia (no green cones) | #293F69 | 0.084 |
| Tritanopia (no blue cones) | #533847 | 0.076 |
| Achromatopsia (no color) | #3E3E3E | 0.110 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #552D6B
#552D6B
oklch(37.8% 0.109 312.1)
- #2B4D00
#2B4D00
oklch(37.9% 0.106 132.4)
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 #552D6B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Grape Purple #5D1451 ΔE 0.063
- Dark Slate Blue #483D8B ΔE 0.066
- Royal Purple #4B006E ΔE 0.079
- Rebecca Purple #663399 ΔE 0.083
- Indigo #4B0082 ΔE 0.084
- Rich Purple #720058 ΔE 0.084
- Plum Purple #4E0550 ΔE 0.085
- Blueberry #464196 ΔE 0.085
Use #552D6B 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.