#55409D
Closest named color: Blueberry (#464196). oklch(44.5% 0.145 289.6), rgb(85, 64, 157).
Aa
White text reads best on this color (8.05:1).
About this color
#55409D is a dark, vivid purple. In OKLCH its lightness is 45%, its chroma 0.145 and its hue 290°. Its hue sits on the cool side of the wheel. The nearest named color is Blueberry (#464196), ΔE 0.027 away. White text reads best on it, at 8.05:1.
| Hue family | Purples |
| Lightness | dark (45%) |
| Chroma | vivid (0.145) |
| Temperature | cool |
| Nearest name | Blueberry (#464196) |
| Black text | 2.60:1 |
| White text | 8.05:1 |
Values
| HEX | #55409D |
| RGB | rgb(85, 64, 157) |
| HSL | hsl(254, 42%, 43%) |
| OKLCH | oklch(44.5% 0.145 289.6) |
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 #55409D | 8.05:1 | AAA | Lc -92.3 | Preferred for body text |
| Black text on #55409D | 2.60:1 | Fails | Lc 16.4 | Dividers and decoration only |
| #55409D text on white | 8.05:1 | AAA | Lc 87.6 | Fine for body text |
| #55409D text on black | 2.60:1 | Fails | Lc -14.6 | 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
#F5F4FD
oklch(97% 0.012 291.3)
-
Step 100
100
#E9E8FA
oklch(93.7% 0.024 288.5)
-
Step 200
200
#D8D5F7
oklch(88.6% 0.047 289.5)
-
Step 300
300
#BFB8F4
oklch(80.9% 0.084 289.7)
-
Step 400
400
#9F91EF
oklch(70.7% 0.135 289.3)
-
Step 500
500
#8A72E9
oklch(63.1% 0.173 289.8)
-
Step 600
600
#7557D8
oklch(55.6% 0.189 289.5)
-
Step 700
700
#6346BB
oklch(49.1% 0.175 289.8)
-
Step 800
800 (this color)
#55409D
oklch(44.5% 0.145 289.6)
-
Step 900
900
#423378
oklch(37.6% 0.113 289.9)
-
Step 950
950
#261F46
oklch(27% 0.07 289.1)
#55409D 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) | #0052A0 | 0.087 |
| Deuteranopia (no green cones) | #024E9B | 0.086 |
| Tritanopia (no blue cones) | #3F5568 | 0.119 |
| Achromatopsia (no color) | #505050 | 0.145 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #55409D
#55409D
oklch(44.5% 0.145 289.6)
- #585800
#585800
oklch(44.6% 0.097 109.8)
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 #55409D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Blueberry #464196 ΔE 0.027
- Dark Slate Blue #483D8B ΔE 0.038
- Rebecca Purple #663399 ΔE 0.040
- Twilight #4E518B ΔE 0.057
- Blue With A Hint Of Purple #533CC6 ΔE 0.066
- Bluey Purple #6241C7 ΔE 0.070
- Blurple #5539CC ΔE 0.076
- Dusk #4E5481 ΔE 0.076
Use #55409D 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.