#554D74
Closest named color: Dusk (#4E5481). oklch(44.5% 0.064 293), rgb(85, 77, 116).
Aa
White text reads best on this color (7.77:1).
About this color
#554D74 is a dark, muted purple. In OKLCH its lightness is 44%, its chroma 0.064 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 7.77:1.
| Hue family | Purples |
| Lightness | dark (44%) |
| Chroma | muted (0.064) |
| Temperature | in between |
| Nearest name | Dusk (#4E5481) |
| Black text | 2.70:1 |
| White text | 7.77:1 |
Values
| HEX | #554D74 |
| RGB | rgb(85, 77, 116) |
| HSL | hsl(252, 20%, 38%) |
| OKLCH | oklch(44.5% 0.064 293) |
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 #554D74 | 7.77:1 | AAA | Lc -91.7 | Preferred for body text |
| Black text on #554D74 | 2.70:1 | Fails | Lc 17.0 | Dividers and decoration only |
| #554D74 text on white | 7.77:1 | AAA | Lc 87.0 | Fine for body text |
| #554D74 text on black | 2.70:1 | Fails | Lc -15.1 | 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
#EAE9F1
oklch(93.7% 0.011 291.9)
-
Step 200
200
#D9D7E6
oklch(88.5% 0.021 292.1)
-
Step 300
300
#C1BDD7
oklch(81% 0.036 292.6)
-
Step 400
400
#A19AC3
oklch(70.6% 0.06 292.6)
-
Step 500
500
#8B81B4
oklch(63.1% 0.076 293.1)
-
Step 600
600
#756AA0
oklch(55.6% 0.083 292.8)
-
Step 700
700
#625888
oklch(49% 0.076 292.9)
-
Step 800
800 (this color)
#554D74
oklch(44.5% 0.064 293)
-
Step 900
900
#423D5A
oklch(37.8% 0.049 291.8)
-
Step 950
950
#272435
oklch(27.1% 0.031 292.3)
#554D74 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) | #435376 | 0.030 |
| Deuteranopia (no green cones) | #445273 | 0.029 |
| Tritanopia (no blue cones) | #4E545B | 0.054 |
| Achromatopsia (no color) | #525252 | 0.064 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #554D74
#554D74
oklch(44.5% 0.064 293)
- #54582C
#54582C
oklch(44.6% 0.065 113.3)
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 #554D74, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusk #4E5481 ΔE 0.027
- Dusty Grape #545775 ΔE 0.029
- Twilight #4E518B ΔE 0.038
- YInMn Blue #415A77 ΔE 0.045
- Light Navy Blue #2E5A88 ΔE 0.062
- Denim Blue #3B5B92 ΔE 0.062
- Dusky Blue #475F94 ΔE 0.065
- Dusk Blue #26538D ΔE 0.069
Use #554D74 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.