#552688
Closest named color: Rebecca Purple (#663399). oklch(38.9% 0.155 301.4), rgb(85, 38, 136).
Aa
White text reads best on this color (10.40:1).
About this color
#552688 is a dark, vivid purple. In OKLCH its lightness is 39%, its chroma 0.155 and its hue 301°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Rebecca Purple (#663399), ΔE 0.052 away. White text reads best on it, at 10.40:1.
| Hue family | Purples |
| Lightness | dark (39%) |
| Chroma | vivid (0.155) |
| Temperature | in between |
| Nearest name | Rebecca Purple (#663399) |
| Black text | 2.01:1 |
| White text | 10.40:1 |
Values
| HEX | #552688 |
| RGB | rgb(85, 38, 136) |
| HSL | hsl(269, 56%, 34%) |
| OKLCH | oklch(38.9% 0.155 301.4) |
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 #552688 | 10.40:1 | AAA | Lc -97.6 | Preferred for body text |
| Black text on #552688 | 2.01:1 | Fails | Lc 10.5 | Not readable |
| #552688 text on white | 10.40:1 | AAA | Lc 93.5 | Preferred for body text |
| #552688 text on black | 2.01:1 | Fails | Lc -9.0 | 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
#F7F3FF
oklch(97.1% 0.016 301.2)
-
Step 100
100
#EDE5FD
oklch(93.5% 0.033 300.9)
-
Step 200
200
#E0D0FE
oklch(88.5% 0.065 301)
-
Step 300
300
#CEAFFF
oklch(80.9% 0.115 301.7)
-
Step 400
400
#B680FF
oklch(70.7% 0.184 301.5)
-
Step 500
500
#A557FE
oklch(63.1% 0.237 301.3)
-
Step 600
600
#9230ED
oklch(55.6% 0.258 301.6)
-
Step 700
700
#7C1ECE
oklch(49% 0.239 301.4)
-
Step 800
800
#651EA7
oklch(42.7% 0.199 301.5)
-
Step 900
900 (this color)
#552688
oklch(38.9% 0.155 301.4)
-
Step 950
950
#30164D
oklch(27% 0.097 302)
#552688 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) | #003F8B | 0.111 |
| Deuteranopia (no green cones) | #003F86 | 0.112 |
| Tritanopia (no blue cones) | #4A3D54 | 0.114 |
| Achromatopsia (no color) | #404040 | 0.156 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #552688
#552688
oklch(38.9% 0.155 301.4)
- #3D4C00
#3D4C00
oklch(38.9% 0.094 121.7)
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 #552688, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rebecca Purple #663399 ΔE 0.052
- Dark Slate Blue #483D8B ΔE 0.054
- Indigo #4B0082 ΔE 0.056
- Chrysanthemum #560BAD ΔE 0.066
- Blueberry #464196 ΔE 0.066
- Imperial Purple #480CA8 ΔE 0.069
- Royal Purple #4B006E ΔE 0.074
- Indigo Blue #3A18B1 ΔE 0.091
Use #552688 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.