#554F7B
Closest named color: Dusk (#4E5481). oklch(45.2% 0.071 289.5), rgb(85, 79, 123).
Aa
White text reads best on this color (7.52:1).
About this color
#554F7B is a medium-dark, moderately saturated purple. In OKLCH its lightness is 45%, its chroma 0.071 and its hue 289°. Its hue sits on the cool side of the wheel. The nearest named color is Dusk (#4E5481), ΔE 0.018 away. White text reads best on it, at 7.52:1.
| Hue family | Purples |
| Lightness | medium-dark (45%) |
| Chroma | moderately saturated (0.071) |
| Temperature | cool |
| Nearest name | Dusk (#4E5481) |
| Black text | 2.79:1 |
| White text | 7.52:1 |
Values
| HEX | #554F7B |
| RGB | rgb(85, 79, 123) |
| HSL | hsl(248, 22%, 40%) |
| OKLCH | oklch(45.2% 0.071 289.5) |
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 #554F7B | 7.52:1 | AAA | Lc -90.9 | Preferred for body text |
| Black text on #554F7B | 2.79:1 | Fails | Lc 17.9 | Dividers and decoration only |
| #554F7B text on white | 7.52:1 | AAA | Lc 86.1 | Fine for body text |
| #554F7B text on black | 2.79:1 | Fails | Lc -15.9 | 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
#D8D7E8
oklch(88.5% 0.023 288.6)
-
Step 300
300
#BFBDDA
oklch(80.9% 0.041 288.6)
-
Step 400
400
#9F9AC8
oklch(70.7% 0.067 289.6)
-
Step 500
500
#8881BA
oklch(63.1% 0.085 289.4)
-
Step 600
600
#726AA6
oklch(55.7% 0.092 289.2)
-
Step 700
700
#60588E
oklch(49.2% 0.085 289.7)
-
Step 800
800 (this color)
#554F7B
oklch(45.2% 0.071 289.5)
-
Step 900
900
#413C5D
oklch(37.6% 0.056 290.4)
-
Step 950
950
#262437
oklch(27.1% 0.035 288.7)
#554F7B 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) | #43557D | 0.030 |
| Deuteranopia (no green cones) | #43537A | 0.028 |
| Tritanopia (no blue cones) | #4C575F | 0.061 |
| Achromatopsia (no color) | #545454 | 0.071 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #554F7B
#554F7B
oklch(45.2% 0.071 289.5)
- #595927
#595927
oklch(45.2% 0.071 108.9)
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 #554F7B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusk #4E5481 ΔE 0.018
- Twilight #4E518B ΔE 0.027
- Dusty Grape #545775 ΔE 0.028
- YInMn Blue #415A77 ΔE 0.043
- Denim Blue #3B5B92 ΔE 0.053
- Dusky Blue #475F94 ΔE 0.055
- Light Navy Blue #2E5A88 ΔE 0.056
- Denim #3B638C ΔE 0.063
Use #554F7B 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.