#552FA0
Closest named color: Rebecca Purple (#663399). oklch(42.1% 0.172 293), rgb(85, 47, 160).
Aa
White text reads best on this color (9.12:1).
About this color
#552FA0 is a dark, vivid purple. In OKLCH its lightness is 42%, its chroma 0.172 and its hue 293°. 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 9.12:1.
| Hue family | Purples |
| Lightness | dark (42%) |
| Chroma | vivid (0.172) |
| Temperature | in between |
| Nearest name | Rebecca Purple (#663399) |
| Black text | 2.30:1 |
| White text | 9.12:1 |
Values
| HEX | #552FA0 |
| RGB | rgb(85, 47, 160) |
| HSL | hsl(260, 55%, 41%) |
| OKLCH | oklch(42.1% 0.172 293) |
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 #552FA0 | 9.12:1 | AAA | Lc -94.8 | Preferred for body text |
| Black text on #552FA0 | 2.30:1 | Fails | Lc 13.6 | Not readable |
| #552FA0 text on white | 9.12:1 | AAA | Lc 90.4 | Preferred for body text |
| #552FA0 text on black | 2.30:1 | Fails | Lc -11.9 | 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
#F5F4FE
oklch(97.1% 0.013 290.8)
-
Step 100
100
#EAE7FC
oklch(93.7% 0.028 292.4)
-
Step 200
200
#DAD3FB
oklch(88.5% 0.055 293.3)
-
Step 300
300
#C3B5FC
oklch(81% 0.1 293.1)
-
Step 400
400
#A68AFA
oklch(70.6% 0.161 293.4)
-
Step 500
500
#9268F8
oklch(63.1% 0.206 293)
-
Step 600
600
#7E4AE6
oklch(55.6% 0.222 293.1)
-
Step 700
700
#6B39C8
oklch(49.1% 0.207 293.2)
-
Step 800
800 (this color)
#552FA0
oklch(42.1% 0.172 293)
-
Step 900
900
#472D80
oklch(37.7% 0.133 293.4)
-
Step 950
950
#291C4B
oklch(27.1% 0.084 292.7)
#552FA0 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) | #004AA3 | 0.100 |
| Deuteranopia (no green cones) | #00469E | 0.099 |
| Tritanopia (no blue cones) | #3F4B64 | 0.134 |
| Achromatopsia (no color) | #484848 | 0.173 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #552FA0
#552FA0
oklch(42.1% 0.172 293)
- #4E5200
#4E5200
oklch(42.1% 0.094 113)
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 #552FA0, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rebecca Purple #663399 ΔE 0.037
- Chrysanthemum #560BAD ΔE 0.047
- Blueberry #464196 ΔE 0.048
- Dark Slate Blue #483D8B ΔE 0.050
- Imperial Purple #480CA8 ΔE 0.057
- Blue With A Hint Of Purple #533CC6 ΔE 0.067
- Indigo Blue #3A18B1 ΔE 0.071
- Grape #7209B7 ΔE 0.073
Use #552FA0 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.