#54478C
Closest named color: Twilight (#4E518B). oklch(44.5% 0.11 289.8), rgb(84, 71, 140).
Aa
White text reads best on this color (7.90:1).
About this color
#54478C is a dark, moderately saturated purple. In OKLCH its lightness is 45%, its chroma 0.110 and its hue 290°. Its hue sits on the cool side of the wheel. The nearest named color is Twilight (#4E518B), ΔE 0.028 away. White text reads best on it, at 7.90:1.
| Hue family | Purples |
| Lightness | dark (45%) |
| Chroma | moderately saturated (0.110) |
| Temperature | cool |
| Nearest name | Twilight (#4E518B) |
| Black text | 2.65:1 |
| White text | 7.90:1 |
Values
| HEX | #54478C |
| RGB | rgb(84, 71, 140) |
| HSL | hsl(251, 33%, 41%) |
| OKLCH | oklch(44.5% 0.11 289.8) |
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 #54478C | 7.90:1 | AAA | Lc -92.0 | Preferred for body text |
| Black text on #54478C | 2.65:1 | Fails | Lc 16.7 | Dividers and decoration only |
| #54478C text on white | 7.90:1 | AAA | Lc 87.3 | Fine for body text |
| #54478C text on black | 2.65:1 | Fails | Lc -14.9 | 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
#F5F5FB
oklch(97.2% 0.008 286.3)
-
Step 100
100
#E9E8F6
oklch(93.6% 0.019 289.3)
-
Step 200
200
#D8D6F0
oklch(88.6% 0.036 289.2)
-
Step 300
300
#BFBAE8
oklch(80.8% 0.065 289.9)
-
Step 400
400
#9F95DD
oklch(70.6% 0.104 289.8)
-
Step 500
500
#897AD3
oklch(63.1% 0.131 289.8)
-
Step 600
600
#7461C0
oklch(55.6% 0.143 290.2)
-
Step 700
700
#6150A6
oklch(49.1% 0.133 289.7)
-
Step 800
800 (this color)
#54478C
oklch(44.5% 0.11 289.8)
-
Step 900
900
#41386C
oklch(37.6% 0.087 289.5)
-
Step 950
950
#26213F
oklch(26.9% 0.055 289.9)
#54478C 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) | #2D538E | 0.058 |
| Deuteranopia (no green cones) | #2E508A | 0.056 |
| Tritanopia (no blue cones) | #455563 | 0.091 |
| Achromatopsia (no color) | #515151 | 0.111 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #54478C
#54478C
oklch(44.5% 0.11 289.8)
- #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 #54478C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Twilight #4E518B ΔE 0.028
- Blueberry #464196 ΔE 0.035
- Dark Slate Blue #483D8B ΔE 0.035
- Dusk #4E5481 ΔE 0.044
- Rebecca Purple #663399 ΔE 0.059
- Denim Blue #3B5B92 ΔE 0.061
- Dusk Blue #26538D ΔE 0.064
- Dusky Blue #475F94 ΔE 0.066
Use #54478C 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.