#552DA9
Closest named color: Chrysanthemum (#560BAD). oklch(42.6% 0.185 291.3), rgb(85, 45, 169).
Aa
White text reads best on this color (8.99:1).
About this color
#552DA9 is a dark, vivid purple. In OKLCH its lightness is 43%, its chroma 0.185 and its hue 291°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Chrysanthemum (#560BAD), ΔE 0.040 away. White text reads best on it, at 8.99:1.
| Hue family | Purples |
| Lightness | dark (43%) |
| Chroma | vivid (0.185) |
| Temperature | in between |
| Nearest name | Chrysanthemum (#560BAD) |
| Black text | 2.33:1 |
| White text | 8.99:1 |
Values
| HEX | #552DA9 |
| RGB | rgb(85, 45, 169) |
| HSL | hsl(259, 58%, 42%) |
| OKLCH | oklch(42.6% 0.185 291.3) |
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 #552DA9 | 8.99:1 | AAA | Lc -94.4 | Preferred for body text |
| Black text on #552DA9 | 2.33:1 | Fails | Lc 14.1 | Not readable |
| #552DA9 text on white | 8.99:1 | AAA | Lc 89.9 | Fine for body text |
| #552DA9 text on black | 2.33:1 | Fails | Lc -12.4 | 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
#F5F4FF
oklch(97.1% 0.015 290.3)
-
Step 100
100
#E9E7FE
oklch(93.6% 0.031 289.8)
-
Step 200
200
#D9D3FF
oklch(88.6% 0.06 291.4)
-
Step 300
300
#C1B5FF
oklch(81% 0.104 291.3)
-
Step 400
400
#A38AFF
oklch(70.7% 0.167 291.4)
-
Step 500
500
#8F66FF
oklch(63% 0.217 291.2)
-
Step 600
600
#7C45F0
oklch(55.6% 0.239 291.3)
-
Step 700
700
#6934D1
oklch(49.1% 0.222 291.3)
-
Step 800
800 (this color)
#552DA9
oklch(42.6% 0.185 291.3)
-
Step 900
900
#452B86
oklch(37.6% 0.144 291)
-
Step 950
950
#281B4E
oklch(27% 0.09 290.9)
#552DA9 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) | #004BAD | 0.100 |
| Deuteranopia (no green cones) | #0046A7 | 0.098 |
| Tritanopia (no blue cones) | #394E68 | 0.147 |
| Achromatopsia (no color) | #494949 | 0.186 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #552DA9
#552DA9
oklch(42.6% 0.185 291.3)
- #515300
#515300
oklch(42.6% 0.094 111.4)
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 #552DA9, closest first.
No curated palette has a color within ΔE 0.04 of #552DA9.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Chrysanthemum #560BAD ΔE 0.040
- Rebecca Purple #663399 ΔE 0.046
- Imperial Purple #480CA8 ΔE 0.052
- Blue With A Hint Of Purple #533CC6 ΔE 0.056
- Blueberry #464196 ΔE 0.056
- Violet Blue #510AC9 ΔE 0.061
- Blurple #5539CC ΔE 0.061
- Dark Slate Blue #483D8B ΔE 0.062
Use #552DA9 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.