#554873
Closest named color: Dusk (#4E5481). oklch(43.3% 0.071 297.3), rgb(85, 72, 115).
Aa
White text reads best on this color (8.20:1).
About this color
#554873 is a dark, moderately saturated purple. In OKLCH its lightness is 43%, its chroma 0.071 and its hue 297°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dusk (#4E5481), ΔE 0.037 away. White text reads best on it, at 8.20:1.
| Hue family | Purples |
| Lightness | dark (43%) |
| Chroma | moderately saturated (0.071) |
| Temperature | in between |
| Nearest name | Dusk (#4E5481) |
| Black text | 2.56:1 |
| White text | 8.20:1 |
Values
| HEX | #554873 |
| RGB | rgb(85, 72, 115) |
| HSL | hsl(258, 23%, 37%) |
| OKLCH | oklch(43.3% 0.071 297.3) |
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 #554873 | 8.20:1 | AAA | Lc -92.9 | Preferred for body text |
| Black text on #554873 | 2.56:1 | Fails | Lc 15.7 | Dividers and decoration only |
| #554873 text on white | 8.20:1 | AAA | Lc 88.3 | Fine for body text |
| #554873 text on black | 2.56:1 | 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
#F6F5F9
oklch(97.2% 0.005 297.7)
-
Step 100
100
#EAE8F1
oklch(93.5% 0.012 296.3)
-
Step 200
200
#DAD6E7
oklch(88.4% 0.023 296.7)
-
Step 300
300
#C3BBD9
oklch(80.8% 0.043 297.6)
-
Step 400
400
#A598C5
oklch(70.7% 0.066 297.9)
-
Step 500
500
#8F7FB7
oklch(63.2% 0.084 297)
-
Step 600
600
#7967A3
oklch(55.5% 0.093 297.1)
-
Step 700
700
#66568B
oklch(49.1% 0.085 297.1)
-
Step 800
800 (this color)
#554873
oklch(43.3% 0.071 297.3)
-
Step 900
900
#453B5B
oklch(37.7% 0.055 298.1)
-
Step 950
950
#282336
oklch(27.1% 0.035 296)
#554873 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) | #3D4F75 | 0.039 |
| Deuteranopia (no green cones) | #3F4E72 | 0.037 |
| Tritanopia (no blue cones) | #4F4F58 | 0.057 |
| Achromatopsia (no color) | #4F4F4F | 0.071 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #554873
#554873
oklch(43.3% 0.071 297.3)
- #4E5625
#4E5625
oklch(43.4% 0.072 117.2)
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 #554873, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusk #4E5481 ΔE 0.037
- Twilight #4E518B ΔE 0.043
- Dusty Grape #545775 ΔE 0.043
- YInMn Blue #415A77 ΔE 0.057
- Dark Slate Blue #483D8B ΔE 0.060
- Blueberry #464196 ΔE 0.069
- Light Navy Blue #2E5A88 ΔE 0.070
- Denim Blue #3B5B92 ΔE 0.071
Use #554873 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.