#54408F
Closest named color: Dark Slate Blue (#483D8B). oklch(43.4% 0.126 292), rgb(84, 64, 143).
Aa
White text reads best on this color (8.37:1).
About this color
#54408F is a dark, moderately saturated purple. In OKLCH its lightness is 43%, its chroma 0.126 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 0.024 away. White text reads best on it, at 8.37:1.
| Hue family | Purples |
| Lightness | dark (43%) |
| Chroma | moderately saturated (0.126) |
| Temperature | in between |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 2.50:1 |
| White text | 8.37:1 |
Values
| HEX | #54408F |
| RGB | rgb(84, 64, 143) |
| HSL | hsl(255, 38%, 41%) |
| OKLCH | oklch(43.4% 0.126 292) |
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 #54408F | 8.37:1 | AAA | Lc -93.2 | Preferred for body text |
| Black text on #54408F | 2.50:1 | Fails | Lc 15.3 | Dividers and decoration only |
| #54408F text on white | 8.37:1 | AAA | Lc 88.6 | Fine for body text |
| #54408F text on black | 2.50:1 | Fails | Lc -13.5 | 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
#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
#8D75DC
oklch(63.1% 0.151 292.2)
-
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)
#54408F
oklch(43.4% 0.126 292)
-
Step 900
900
#443670
oklch(37.8% 0.096 292.3)
-
Step 950
950
#272042
oklch(27% 0.062 291.2)
#54408F 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) | #1B4F92 | 0.076 |
| Deuteranopia (no green cones) | #204C8D | 0.072 |
| Tritanopia (no blue cones) | #445161 | 0.103 |
| Achromatopsia (no color) | #4E4E4E | 0.126 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #54408F
#54408F
oklch(43.4% 0.126 292)
- #535500
#535500
oklch(43.3% 0.095 111.3)
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 #54408F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.024
- Blueberry #464196 ΔE 0.026
- Rebecca Purple #663399 ΔE 0.045
- Twilight #4E518B ΔE 0.047
- Dusk #4E5481 ΔE 0.063
- Cobalt #1E488F ΔE 0.072
- Dusk Blue #26538D ΔE 0.075
- Denim Blue #3B5B92 ΔE 0.077
Use #54408F 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.