#552B96
Closest named color: Rebecca Purple (#663399). oklch(40.7% 0.165 296.3), rgb(85, 43, 150).
Aa
White text reads best on this color (9.66:1).
About this color
#552B96 is a dark, vivid purple. In OKLCH its lightness is 41%, its chroma 0.165 and its hue 296°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Rebecca Purple (#663399), ΔE 0.039 away. White text reads best on it, at 9.66:1.
| Hue family | Purples |
| Lightness | dark (41%) |
| Chroma | vivid (0.165) |
| Temperature | in between |
| Nearest name | Rebecca Purple (#663399) |
| Black text | 2.17:1 |
| White text | 9.66:1 |
Values
| HEX | #552B96 |
| RGB | rgb(85, 43, 150) |
| HSL | hsl(264, 55%, 38%) |
| OKLCH | oklch(40.7% 0.165 296.3) |
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 #552B96 | 9.66:1 | AAA | Lc -96.0 | Preferred for body text |
| Black text on #552B96 | 2.17:1 | Fails | Lc 12.2 | Not readable |
| #552B96 text on white | 9.66:1 | AAA | Lc 91.7 | Preferred for body text |
| #552B96 text on black | 2.17:1 | Fails | Lc -10.6 | 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 800.
-
Step 50
50
#F6F4FD
oklch(97.1% 0.012 296.4)
-
Step 100
100
#EBE6FB
oklch(93.5% 0.029 296.7)
-
Step 200
200
#DCD3F9
oklch(88.6% 0.053 296.2)
-
Step 300
300
#C6B4F8
oklch(80.9% 0.096 296.3)
-
Step 400
400
#AA8AF5
oklch(70.7% 0.154 296)
-
Step 500
500
#9768F0
oklch(63.1% 0.196 296.2)
-
Step 600
600
#834ADF
oklch(55.6% 0.215 296.3)
-
Step 700
700
#6F3AC1
oklch(49.1% 0.198 296.3)
-
Step 800
800 (this color)
#552B96
oklch(40.7% 0.165 296.3)
-
Step 900
900
#4A2D7C
oklch(37.7% 0.128 296.7)
-
Step 950
950
#2B1B49
oklch(26.9% 0.082 296.5)
#552B96 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) | #004599 | 0.104 |
| Deuteranopia (no green cones) | #004394 | 0.104 |
| Tritanopia (no blue cones) | #44465D | 0.128 |
| Achromatopsia (no color) | #444444 | 0.166 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #552B96
#552B96
oklch(40.7% 0.165 296.3)
- #474F00
#474F00
oklch(40.6% 0.093 116.2)
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 #552B96, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rebecca Purple #663399 ΔE 0.039
- Dark Slate Blue #483D8B ΔE 0.048
- Chrysanthemum #560BAD ΔE 0.051
- Blueberry #464196 ΔE 0.052
- Imperial Purple #480CA8 ΔE 0.057
- Indigo #4B0082 ΔE 0.072
- Indigo Blue #3A18B1 ΔE 0.076
- Grape #7209B7 ΔE 0.079
Use #552B96 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.