#552587
Closest named color: Rebecca Purple (#663399). oklch(38.7% 0.155 301.9), rgb(85, 37, 135).
Aa
White text reads best on this color (10.49:1).
About this color
#552587 is a dark, vivid purple. In OKLCH its lightness is 39%, its chroma 0.155 and its hue 302°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Rebecca Purple (#663399), ΔE 0.054 away. White text reads best on it, at 10.49:1.
| Hue family | Purples |
| Lightness | dark (39%) |
| Chroma | vivid (0.155) |
| Temperature | in between |
| Nearest name | Rebecca Purple (#663399) |
| Black text | 2.00:1 |
| White text | 10.49:1 |
Values
| HEX | #552587 |
| RGB | rgb(85, 37, 135) |
| HSL | hsl(269, 57%, 34%) |
| OKLCH | oklch(38.7% 0.155 301.9) |
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 #552587 | 10.49:1 | AAA | Lc -97.7 | Preferred for body text |
| Black text on #552587 | 2.00:1 | Fails | Lc 10.3 | Not readable |
| #552587 text on white | 10.49:1 | AAA | Lc 93.7 | Preferred for body text |
| #552587 text on black | 2.00:1 | Fails | Lc -8.9 | 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 900.
-
Step 50
50
#F7F3FE
oklch(97% 0.015 302.6)
-
Step 100
100
#EEE5FD
oklch(93.6% 0.033 302.7)
-
Step 200
200
#E1D0FD
oklch(88.6% 0.064 302.3)
-
Step 300
300
#CEAFFF
oklch(80.9% 0.115 301.7)
-
Step 400
400
#B77FFF
oklch(70.7% 0.186 302.1)
-
Step 500
500
#A656FD
oklch(63% 0.237 301.9)
-
Step 600
600
#932FED
oklch(55.7% 0.259 302)
-
Step 700
700
#7D1DCE
oklch(49.1% 0.24 301.8)
-
Step 800
800
#661EA6
oklch(42.8% 0.198 302.2)
-
Step 900
900 (this color)
#552587
oklch(38.7% 0.155 301.9)
-
Step 950
950
#30164D
oklch(27% 0.097 302)
#552587 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) | #003F8A | 0.112 |
| Deuteranopia (no green cones) | #003F85 | 0.113 |
| Tritanopia (no blue cones) | #4A3C53 | 0.114 |
| Achromatopsia (no color) | #3F3F3F | 0.156 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #552587
#552587
oklch(38.7% 0.155 301.9)
- #3C4B00
#3C4B00
oklch(38.6% 0.093 121.8)
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 #552587, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rebecca Purple #663399 ΔE 0.054
- Indigo #4B0082 ΔE 0.054
- Dark Slate Blue #483D8B ΔE 0.056
- Chrysanthemum #560BAD ΔE 0.067
- Blueberry #464196 ΔE 0.068
- Imperial Purple #480CA8 ΔE 0.069
- Royal Purple #4B006E ΔE 0.071
- Indigo Blue #3A18B1 ΔE 0.092
Use #552587 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.