#554B7A
Closest named color: Dusk (#4E5481). oklch(44.3% 0.076 292.8), rgb(85, 75, 122).
Aa
White text reads best on this color (7.85:1).
About this color
#554B7A is a dark, moderately saturated purple. In OKLCH its lightness is 44%, its chroma 0.076 and its hue 293°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dusk (#4E5481), ΔE 0.027 away. White text reads best on it, at 7.85:1.
| Hue family | Purples |
| Lightness | dark (44%) |
| Chroma | moderately saturated (0.076) |
| Temperature | in between |
| Nearest name | Dusk (#4E5481) |
| Black text | 2.67:1 |
| White text | 7.85:1 |
Values
| HEX | #554B7A |
| RGB | rgb(85, 75, 122) |
| HSL | hsl(253, 24%, 39%) |
| OKLCH | oklch(44.3% 0.076 292.8) |
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 #554B7A | 7.85:1 | AAA | Lc -91.9 | Preferred for body text |
| Black text on #554B7A | 2.67:1 | Fails | Lc 16.8 | Dividers and decoration only |
| #554B7A text on white | 7.85:1 | AAA | Lc 87.2 | Fine for body text |
| #554B7A text on black | 2.67:1 | 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
#F5F5F9
oklch(97.1% 0.005 286.3)
-
Step 100
100
#EAE8F2
oklch(93.5% 0.014 295.3)
-
Step 200
200
#D9D6E9
oklch(88.4% 0.026 293.1)
-
Step 300
300
#C1BCDC
oklch(81% 0.045 292.5)
-
Step 400
400
#A299CA
oklch(70.8% 0.071 292.9)
-
Step 500
500
#8B7FBC
oklch(63.1% 0.091 292.6)
-
Step 600
600
#7568A8
oklch(55.6% 0.098 292.2)
-
Step 700
700
#635690
oklch(49.1% 0.092 293)
-
Step 800
800 (this color)
#554B7A
oklch(44.3% 0.076 292.8)
-
Step 900
900
#433B5E
oklch(37.6% 0.06 293.8)
-
Step 950
950
#272337
oklch(27% 0.037 292.9)
#554B7A 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) | #3E527C | 0.037 |
| Deuteranopia (no green cones) | #3F5179 | 0.036 |
| Tritanopia (no blue cones) | #4D535C | 0.063 |
| Achromatopsia (no color) | #525252 | 0.077 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #554B7A
#554B7A
oklch(44.3% 0.076 292.8)
- #545821
#545821
oklch(44.4% 0.077 113)
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 #554B7A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusk #4E5481 ΔE 0.027
- Twilight #4E518B ΔE 0.030
- Dusty Grape #545775 ΔE 0.038
- YInMn Blue #415A77 ΔE 0.052
- Dark Slate Blue #483D8B ΔE 0.058
- Denim Blue #3B5B92 ΔE 0.060
- Light Navy Blue #2E5A88 ΔE 0.062
- Dusky Blue #475F94 ΔE 0.064
Use #554B7A 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.