#554A73
Closest named color: Dusk (#4E5481). oklch(43.8% 0.067 295.8), rgb(85, 74, 115).
Aa
White text reads best on this color (8.03:1).
About this color
#554A73 is a dark, muted purple. In OKLCH its lightness is 44%, its chroma 0.067 and its hue 296°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dusk (#4E5481), ΔE 0.033 away. White text reads best on it, at 8.03:1.
| Hue family | Purples |
| Lightness | dark (44%) |
| Chroma | muted (0.067) |
| Temperature | in between |
| Nearest name | Dusk (#4E5481) |
| Black text | 2.61:1 |
| White text | 8.03:1 |
Values
| HEX | #554A73 |
| RGB | rgb(85, 74, 115) |
| HSL | hsl(256, 22%, 37%) |
| OKLCH | oklch(43.8% 0.067 295.8) |
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 #554A73 | 8.03:1 | AAA | Lc -92.5 | Preferred for body text |
| Black text on #554A73 | 2.61:1 | Fails | Lc 16.2 | Dividers and decoration only |
| #554A73 text on white | 8.03:1 | AAA | Lc 87.8 | Fine for body text |
| #554A73 text on black | 2.61:1 | Fails | Lc -14.3 | 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
#F6F5F9
oklch(97.2% 0.005 297.7)
-
Step 100
100
#EAE8F1
oklch(93.5% 0.012 296.3)
-
Step 200
200
#DAD6E6
oklch(88.4% 0.022 297.4)
-
Step 300
300
#C2BCD8
oklch(80.9% 0.04 295.3)
-
Step 400
400
#A399C4
oklch(70.6% 0.063 295.4)
-
Step 500
500
#8D80B5
oklch(63.1% 0.08 295.3)
-
Step 600
600
#7868A1
oklch(55.6% 0.088 296.3)
-
Step 700
700
#65578A
oklch(49.2% 0.081 295.9)
-
Step 800
800 (this color)
#554A73
oklch(43.8% 0.067 295.8)
-
Step 900
900
#443C5B
oklch(37.8% 0.053 295.6)
-
Step 950
950
#282335
oklch(27% 0.034 296.8)
#554A73 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) | #405175 | 0.036 |
| Deuteranopia (no green cones) | #415072 | 0.034 |
| Tritanopia (no blue cones) | #4F5159 | 0.055 |
| Achromatopsia (no color) | #505050 | 0.068 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #554A73
#554A73
oklch(43.8% 0.067 295.8)
- #505629
#505629
oklch(43.7% 0.066 115.5)
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 #554A73, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusk #4E5481 ΔE 0.033
- Dusty Grape #545775 ΔE 0.038
- Twilight #4E518B ΔE 0.041
- YInMn Blue #415A77 ΔE 0.052
- Dark Slate Blue #483D8B ΔE 0.064
- Light Navy Blue #2E5A88 ΔE 0.067
- Denim Blue #3B5B92 ΔE 0.067
- Dusk Blue #26538D ΔE 0.071
Use #554A73 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.