#553885
Closest named color: Dark Slate Blue (#483D8B). oklch(41.4% 0.125 298.1), rgb(85, 56, 133).
Aa
White text reads best on this color (9.16:1).
About this color
#553885 is a dark, moderately saturated purple. In OKLCH its lightness is 41%, its chroma 0.125 and its hue 298°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Slate Blue (#483D8B), ΔE 0.026 away. White text reads best on it, at 9.16:1.
| Hue family | Purples |
| Lightness | dark (41%) |
| Chroma | moderately saturated (0.125) |
| Temperature | in between |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 2.29:1 |
| White text | 9.16:1 |
Values
| HEX | #553885 |
| RGB | rgb(85, 56, 133) |
| HSL | hsl(263, 41%, 37%) |
| OKLCH | oklch(41.4% 0.125 298.1) |
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 #553885 | 9.16:1 | AAA | Lc -95.2 | Preferred for body text |
| Black text on #553885 | 2.29:1 | Fails | Lc 13.1 | Not readable |
| #553885 text on white | 9.16:1 | AAA | Lc 90.8 | Preferred for body text |
| #553885 text on black | 2.29:1 | Fails | Lc -11.5 | 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
#F6F4FB
oklch(97.1% 0.009 299.2)
-
Step 100
100
#EBE7F7
oklch(93.6% 0.022 297.4)
-
Step 200
200
#DCD4F1
oklch(88.5% 0.04 298.2)
-
Step 300
300
#C6B7EA
oklch(80.9% 0.073 298.2)
-
Step 400
400
#AA90E0
oklch(70.7% 0.117 298.3)
-
Step 500
500
#9572D7
oklch(63% 0.15 297.9)
-
Step 600
600
#8159C4
oklch(55.7% 0.161 298.2)
-
Step 700
700
#6D48A9
oklch(49.1% 0.15 298.3)
-
Step 800
800 (this color)
#553885
oklch(41.4% 0.125 298.1)
-
Step 900
900
#49346E
oklch(37.8% 0.097 298.3)
-
Step 950
950
#2A1F40
oklch(27% 0.061 297.6)
#553885 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) | #154888 | 0.088 |
| Deuteranopia (no green cones) | #1F4783 | 0.081 |
| Tritanopia (no blue cones) | #4A4859 | 0.097 |
| Achromatopsia (no color) | #484848 | 0.125 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #553885
#553885
oklch(41.4% 0.125 298.1)
- #475200
#475200
oklch(41.4% 0.097 118.2)
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 #553885, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.026
- Blueberry #464196 ΔE 0.041
- Rebecca Purple #663399 ΔE 0.046
- Twilight #4E518B ΔE 0.065
- Dusk #4E5481 ΔE 0.077
- Cobalt #1E488F ΔE 0.082
- Dusk Blue #26538D ΔE 0.089
- Chrysanthemum #560BAD ΔE 0.092
Use #553885 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.