#552D97
Closest named color: Rebecca Purple (#663399). oklch(41.1% 0.163 295.6), rgb(85, 45, 151).
Aa
White text reads best on this color (9.50:1).
About this color
#552D97 is a dark, vivid purple. In OKLCH its lightness is 41%, its chroma 0.163 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 0.037 away. White text reads best on it, at 9.50:1.
| Hue family | Purples |
| Lightness | dark (41%) |
| Chroma | vivid (0.163) |
| Temperature | in between |
| Nearest name | Rebecca Purple (#663399) |
| Black text | 2.20:1 |
| White text | 9.50:1 |
Values
| HEX | #552D97 |
| RGB | rgb(85, 45, 151) |
| HSL | hsl(263, 54%, 38%) |
| OKLCH | oklch(41.1% 0.163 295.6) |
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 #552D97 | 9.50:1 | AAA | Lc -95.7 | Preferred for body text |
| Black text on #552D97 | 2.20:1 | Fails | Lc 12.6 | Not readable |
| #552D97 text on white | 9.50:1 | AAA | Lc 91.4 | Preferred for body text |
| #552D97 text on black | 2.20:1 | Fails | Lc -11.0 | 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 800.
-
Step 50
50
#F6F4FD
oklch(97.1% 0.012 296.4)
-
Step 100
100
#EBE7FB
oklch(93.7% 0.027 295)
-
Step 200
200
#DBD3F9
oklch(88.5% 0.052 295)
-
Step 300
300
#C5B4F8
oklch(80.8% 0.096 295.6)
-
Step 400
400
#A98AF4
oklch(70.6% 0.153 295.7)
-
Step 500
500
#9669F0
oklch(63.1% 0.195 295.7)
-
Step 600
600
#824BDE
oklch(55.5% 0.212 295.9)
-
Step 700
700
#6E3BC1
oklch(49.1% 0.197 295.7)
-
Step 800
800 (this color)
#552D97
oklch(41.1% 0.163 295.6)
-
Step 900
900
#492E7C
oklch(37.7% 0.127 295.7)
-
Step 950
950
#2A1C49
oklch(27% 0.081 294.8)
#552D97 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) | #00469A | 0.103 |
| Deuteranopia (no green cones) | #004495 | 0.103 |
| Tritanopia (no blue cones) | #43475E | 0.127 |
| Achromatopsia (no color) | #464646 | 0.164 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #552D97
#552D97
oklch(41.1% 0.163 295.6)
- #495000
#495000
oklch(41.1% 0.093 115.4)
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 #552D97, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rebecca Purple #663399 ΔE 0.037
- Dark Slate Blue #483D8B ΔE 0.045
- Blueberry #464196 ΔE 0.049
- Chrysanthemum #560BAD ΔE 0.053
- Imperial Purple #480CA8 ΔE 0.059
- Indigo #4B0082 ΔE 0.076
- Indigo Blue #3A18B1 ΔE 0.077
- Grape #7209B7 ΔE 0.079
Use #552D97 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.