#554190
Closest named color: Dark Slate Blue (#483D8B). oklch(43.8% 0.125 292.1), rgb(85, 65, 144).
Aa
White text reads best on this color (8.25:1).
About this color
#554190 is a dark, moderately saturated purple. In OKLCH its lightness is 44%, its chroma 0.125 and its hue 292°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Slate Blue (#483D8B), ΔE 0.027 away. White text reads best on it, at 8.25:1.
| Hue family | Purples |
| Lightness | dark (44%) |
| Chroma | moderately saturated (0.125) |
| Temperature | in between |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 2.54:1 |
| White text | 8.25:1 |
Values
| HEX | #554190 |
| RGB | rgb(85, 65, 144) |
| HSL | hsl(255, 38%, 41%) |
| OKLCH | oklch(43.8% 0.125 292.1) |
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 #554190 | 8.25:1 | AAA | Lc -92.9 | Preferred for body text |
| Black text on #554190 | 2.54:1 | Fails | Lc 15.7 | Dividers and decoration only |
| #554190 text on white | 8.25:1 | AAA | Lc 88.3 | Fine for body text |
| #554190 text on black | 2.54:1 | Fails | Lc -13.9 | 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 800.
-
Step 50
50
#F5F4FC
oklch(97% 0.011 292)
-
Step 100
100
#EAE8F7
oklch(93.7% 0.02 292.1)
-
Step 200
200
#D9D5F3
oklch(88.5% 0.041 291.7)
-
Step 300
300
#C1B9ED
oklch(81% 0.073 291.7)
-
Step 400
400
#A292E4
oklch(70.6% 0.119 292)
-
Step 500
500
#8D75DB
oklch(63% 0.15 292.4)
-
Step 600
600
#785CC9
oklch(55.7% 0.163 292.1)
-
Step 700
700
#654BAE
oklch(49.2% 0.152 292)
-
Step 800
800 (this color)
#554190
oklch(43.8% 0.125 292.1)
-
Step 900
900
#443670
oklch(37.8% 0.096 292.3)
-
Step 950
950
#272042
oklch(27% 0.062 291.2)
#554190 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) | #1D5093 | 0.075 |
| Deuteranopia (no green cones) | #214D8E | 0.072 |
| Tritanopia (no blue cones) | #455162 | 0.101 |
| Achromatopsia (no color) | #4F4F4F | 0.126 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #554190
#554190
oklch(43.8% 0.125 292.1)
- #545700
#545700
oklch(43.9% 0.097 112.1)
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 #554190, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.027
- Blueberry #464196 ΔE 0.027
- Rebecca Purple #663399 ΔE 0.045
- Twilight #4E518B ΔE 0.045
- Dusk #4E5481 ΔE 0.062
- Cobalt #1E488F ΔE 0.073
- Dusk Blue #26538D ΔE 0.074
- Denim Blue #3B5B92 ΔE 0.075
Use #554190 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.