#552B89
Closest named color: Dark Slate Blue (#483D8B). oklch(39.7% 0.149 300.1), rgb(85, 43, 137).
Aa
White text reads best on this color (10.03:1).
About this color
#552B89 is a dark, vivid purple. In OKLCH its lightness is 40%, its chroma 0.149 and its hue 300°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Slate Blue (#483D8B), ΔE 0.045 away. White text reads best on it, at 10.03:1.
| Hue family | Purples |
| Lightness | dark (40%) |
| Chroma | vivid (0.149) |
| Temperature | in between |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 2.09:1 |
| White text | 10.03:1 |
Values
| HEX | #552B89 |
| RGB | rgb(85, 43, 137) |
| HSL | hsl(267, 52%, 35%) |
| OKLCH | oklch(39.7% 0.149 300.1) |
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 #552B89 | 10.03:1 | AAA | Lc -96.9 | Preferred for body text |
| Black text on #552B89 | 2.09:1 | Fails | Lc 11.2 | Not readable |
| #552B89 text on white | 10.03:1 | AAA | Lc 92.7 | Preferred for body text |
| #552B89 text on black | 2.09:1 | Fails | Lc -9.7 | 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
#F7F3FE
oklch(97% 0.015 302.6)
-
Step 100
100
#EDE5FD
oklch(93.5% 0.033 300.9)
-
Step 200
200
#DFD0FD
oklch(88.4% 0.063 300.3)
-
Step 300
300
#CCB0FE
oklch(80.9% 0.112 300.4)
-
Step 400
400
#B382FE
oklch(70.7% 0.179 300.1)
-
Step 500
500
#A25BFC
oklch(63.1% 0.229 300.1)
-
Step 600
600
#8E37EB
oklch(55.6% 0.249 300.1)
-
Step 700
700
#7926CC
oklch(49.1% 0.231 300.1)
-
Step 800
800
#6223A5
oklch(42.6% 0.192 300.1)
-
Step 900
900 (this color)
#552B89
oklch(39.7% 0.149 300.1)
-
Step 950
950
#2E174D
oklch(26.9% 0.095 299.5)
#552B89 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) | #00428C | 0.107 |
| Deuteranopia (no green cones) | #004187 | 0.107 |
| Tritanopia (no blue cones) | #494156 | 0.113 |
| Achromatopsia (no color) | #424242 | 0.150 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #552B89
#552B89
oklch(39.7% 0.149 300.1)
- #404E00
#404E00
oklch(39.7% 0.095 120.7)
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 #552B89, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.045
- Rebecca Purple #663399 ΔE 0.046
- Blueberry #464196 ΔE 0.057
- Indigo #4B0082 ΔE 0.065
- Chrysanthemum #560BAD ΔE 0.069
- Imperial Purple #480CA8 ΔE 0.072
- Royal Purple #4B006E ΔE 0.083
- Indigo Blue #3A18B1 ΔE 0.092
Use #552B89 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.