#554A79
Closest named color: Dusk (#4E5481). oklch(44.1% 0.077 293.8), rgb(85, 74, 121).
Aa
White text reads best on this color (7.94:1).
About this color
#554A79 is a dark, moderately saturated purple. In OKLCH its lightness is 44%, its chroma 0.077 and its hue 294°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dusk (#4E5481), ΔE 0.029 away. White text reads best on it, at 7.94:1.
| Hue family | Purples |
| Lightness | dark (44%) |
| Chroma | moderately saturated (0.077) |
| Temperature | in between |
| Nearest name | Dusk (#4E5481) |
| Black text | 2.64:1 |
| White text | 7.94:1 |
Values
| HEX | #554A79 |
| RGB | rgb(85, 74, 121) |
| HSL | hsl(254, 24%, 38%) |
| OKLCH | oklch(44.1% 0.077 293.8) |
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 #554A79 | 7.94:1 | AAA | Lc -92.2 | Preferred for body text |
| Black text on #554A79 | 2.64:1 | Fails | Lc 16.5 | Dividers and decoration only |
| #554A79 text on white | 7.94:1 | AAA | Lc 87.5 | Fine for body text |
| #554A79 text on black | 2.64:1 | Fails | Lc -14.6 | 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
#D9D6E8
oklch(88.4% 0.025 293.5)
-
Step 300
300
#C1BCDB
oklch(80.9% 0.044 292.8)
-
Step 400
400
#A298CA
oklch(70.6% 0.073 293.6)
-
Step 500
500
#8C7FBC
oklch(63.2% 0.091 293.4)
-
Step 600
600
#7667A8
oklch(55.5% 0.1 293.5)
-
Step 700
700
#645690
oklch(49.2% 0.092 293.9)
-
Step 800
800 (this color)
#554A79
oklch(44.1% 0.077 293.8)
-
Step 900
900
#433B5E
oklch(37.6% 0.06 293.8)
-
Step 950
950
#272337
oklch(27% 0.037 292.9)
#554A79 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) | #3D517B | 0.039 |
| Deuteranopia (no green cones) | #3E5078 | 0.037 |
| Tritanopia (no blue cones) | #4D525C | 0.062 |
| Achromatopsia (no color) | #515151 | 0.077 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #554A79
#554A79
oklch(44.1% 0.077 293.8)
- #525721
#525721
oklch(44% 0.076 114)
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 #554A79, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusk #4E5481 ΔE 0.029
- Twilight #4E518B ΔE 0.033
- Dusty Grape #545775 ΔE 0.041
- YInMn Blue #415A77 ΔE 0.054
- Dark Slate Blue #483D8B ΔE 0.057
- Denim Blue #3B5B92 ΔE 0.062
- Blueberry #464196 ΔE 0.063
- Light Navy Blue #2E5A88 ΔE 0.064
Use #554A79 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.