#554C66
Closest named color: Dusty Grape (#545775). oklch(43.6% 0.044 300.4), rgb(85, 76, 102).
Aa
White text reads best on this color (8.04:1).
About this color
#554C66 is a dark, muted purple. In OKLCH its lightness is 44%, its chroma 0.044 and its hue 300°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dusty Grape (#545775), ΔE 0.035 away. White text reads best on it, at 8.04:1.
| Hue family | Purples |
| Lightness | dark (44%) |
| Chroma | muted (0.044) |
| Temperature | in between |
| Nearest name | Dusty Grape (#545775) |
| Black text | 2.61:1 |
| White text | 8.04:1 |
Values
| HEX | #554C66 |
| RGB | rgb(85, 76, 102) |
| HSL | hsl(261, 15%, 35%) |
| OKLCH | oklch(43.6% 0.044 300.4) |
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 #554C66 | 8.04:1 | AAA | Lc -92.5 | Preferred for body text |
| Black text on #554C66 | 2.61:1 | Fails | Lc 16.1 | Dividers and decoration only |
| #554C66 text on white | 8.04:1 | AAA | Lc 87.9 | Fine for body text |
| #554C66 text on black | 2.61:1 | Fails | Lc -14.3 | 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
#F6F5F7
oklch(97.1% 0.003 308.4)
-
Step 100
100
#EAE9EE
oklch(93.6% 0.007 295.4)
-
Step 200
200
#DAD7E1
oklch(88.4% 0.014 299.8)
-
Step 300
300
#C3BDCF
oklch(80.9% 0.026 301)
-
Step 400
400
#A49BB7
oklch(70.6% 0.041 300)
-
Step 500
500
#8E83A5
oklch(63.2% 0.052 299.7)
-
Step 600
600
#786C90
oklch(55.6% 0.057 299.8)
-
Step 700
700
#655A7A
oklch(49% 0.052 300.2)
-
Step 800
800 (this color)
#554C66
oklch(43.6% 0.044 300.4)
-
Step 900
900
#443E51
oklch(37.8% 0.033 299.3)
-
Step 950
950
#282430
oklch(27% 0.023 300.1)
#554C66 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) | #475067 | 0.024 |
| Deuteranopia (no green cones) | #485065 | 0.023 |
| Tritanopia (no blue cones) | #525055 | 0.035 |
| Achromatopsia (no color) | #505050 | 0.044 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #554C66
#554C66
oklch(43.6% 0.044 300.4)
- #4E553A
#4E553A
oklch(43.5% 0.043 120)
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 #554C66, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusty Grape #545775 ΔE 0.035
- Dusk #4E5481 ΔE 0.045
- YInMn Blue #415A77 ΔE 0.049
- Twilight #4E518B ΔE 0.060
- Brownish Purple #76424E ΔE 0.068
- Dark Grey Blue #29465B ΔE 0.072
- Dark Slate Gray #2F4F4F ΔE 0.072
- Slate #516572 ΔE 0.072
Use #554C66 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.