#554F7F
Closest named color: Dusk (#4E5481). oklch(45.5% 0.077 288.7), rgb(85, 79, 127).
Aa
White text reads best on this color (7.47:1).
About this color
#554F7F is a medium-dark, moderately saturated purple. In OKLCH its lightness is 45%, its chroma 0.077 and its hue 289°. Its hue sits on the cool side of the wheel. The nearest named color is Dusk (#4E5481), ΔE 0.017 away. White text reads best on it, at 7.47:1.
| Hue family | Purples |
| Lightness | medium-dark (45%) |
| Chroma | moderately saturated (0.077) |
| Temperature | cool |
| Nearest name | Dusk (#4E5481) |
| Black text | 2.81:1 |
| White text | 7.47:1 |
Values
| HEX | #554F7F |
| RGB | rgb(85, 79, 127) |
| HSL | hsl(248, 23%, 40%) |
| OKLCH | oklch(45.5% 0.077 288.7) |
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 #554F7F | 7.47:1 | AAA | Lc -90.7 | Preferred for body text |
| Black text on #554F7F | 2.81:1 | Fails | Lc 18.1 | Dividers and decoration only |
| #554F7F text on white | 7.47:1 | AAA | Lc 85.9 | Fine for body text |
| #554F7F text on black | 2.81:1 | Fails | Lc -16.1 | Dividers and decoration only |
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
#F5F5F9
oklch(97.1% 0.005 286.3)
-
Step 100
100
#E9E9F2
oklch(93.7% 0.012 286.2)
-
Step 200
200
#D8D7E9
oklch(88.5% 0.025 288.4)
-
Step 300
300
#BFBCDD
oklch(80.8% 0.046 289.5)
-
Step 400
400
#9E9ACC
oklch(70.8% 0.073 288.1)
-
Step 500
500
#8780BE
oklch(63% 0.092 288.6)
-
Step 600
600
#7169AA
oklch(55.6% 0.099 288.4)
-
Step 700
700
#5F5792
oklch(49.1% 0.093 288.7)
-
Step 800
800 (this color)
#554F7F
oklch(45.5% 0.077 288.7)
-
Step 900
900
#403C60
oklch(37.7% 0.061 288.2)
-
Step 950
950
#262338
oklch(27% 0.039 290.1)
#554F7F 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) | #415681 | 0.033 |
| Deuteranopia (no green cones) | #41547E | 0.032 |
| Tritanopia (no blue cones) | #4B5861 | 0.066 |
| Achromatopsia (no color) | #555555 | 0.078 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #554F7F
#554F7F
oklch(45.5% 0.077 288.7)
- #5A5A21
#5A5A21
oklch(45.5% 0.078 109.1)
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 #554F7F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusk #4E5481 ΔE 0.017
- Twilight #4E518B ΔE 0.022
- Dusty Grape #545775 ΔE 0.032
- YInMn Blue #415A77 ΔE 0.046
- Denim Blue #3B5B92 ΔE 0.050
- Dusky Blue #475F94 ΔE 0.052
- Light Navy Blue #2E5A88 ΔE 0.055
- Dusk Blue #26538D ΔE 0.061
Use #554F7F 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.