#554173
Closest named color: Dark Slate Blue (#483D8B). oklch(41.9% 0.084 301.3), rgb(85, 65, 115).
Aa
White text reads best on this color (8.78:1).
About this color
#554173 is a dark, moderately saturated purple. In OKLCH its lightness is 42%, its chroma 0.084 and its hue 301°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Slate Blue (#483D8B), ΔE 0.049 away. White text reads best on it, at 8.78:1.
| Hue family | Purples |
| Lightness | dark (42%) |
| Chroma | moderately saturated (0.084) |
| Temperature | in between |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 2.38:1 |
| White text | 8.78:1 |
Values
| HEX | #554173 |
| RGB | rgb(85, 65, 115) |
| HSL | hsl(264, 28%, 35%) |
| OKLCH | oklch(41.9% 0.084 301.3) |
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 #554173 | 8.78:1 | AAA | Lc -94.4 | Preferred for body text |
| Black text on #554173 | 2.38:1 | Fails | Lc 14.0 | Not readable |
| #554173 text on white | 8.78:1 | AAA | Lc 90.0 | Fine for body text |
| #554173 text on black | 2.38:1 | Fails | Lc -12.3 | 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
#F6F4F9
oklch(97% 0.007 304.2)
-
Step 100
100
#EBE8F2
oklch(93.6% 0.014 299.8)
-
Step 200
200
#DCD5E9
oklch(88.5% 0.028 301.7)
-
Step 300
300
#C6BADC
oklch(81% 0.049 301.4)
-
Step 400
400
#A995CA
oklch(70.6% 0.079 301.7)
-
Step 500
500
#947BBC
oklch(63.1% 0.099 301.3)
-
Step 600
600
#7F63A9
oklch(55.7% 0.109 301.4)
-
Step 700
700
#6B5291
oklch(49.2% 0.101 301.1)
-
Step 800
800 (this color)
#554173
oklch(41.9% 0.084 301.3)
-
Step 900
900
#48395F
oklch(37.8% 0.066 301.5)
-
Step 950
950
#2A2237
oklch(27.1% 0.04 301.3)
#554173 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) | #344A75 | 0.054 |
| Deuteranopia (no green cones) | #384A72 | 0.050 |
| Tritanopia (no blue cones) | #504954 | 0.064 |
| Achromatopsia (no color) | #4B4B4B | 0.084 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #554173
#554173
oklch(41.9% 0.084 301.3)
- #465419
#465419
oklch(42% 0.084 121.5)
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 #554173, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.049
- Twilight #4E518B ΔE 0.053
- Dusk #4E5481 ΔE 0.054
- Dusty Grape #545775 ΔE 0.063
- Blueberry #464196 ΔE 0.063
- YInMn Blue #415A77 ΔE 0.075
- Rebecca Purple #663399 ΔE 0.079
- Dusk Blue #26538D ΔE 0.080
Use #554173 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.