#554D66
Closest named color: Dusty Grape (#545775). oklch(43.8% 0.042 299.3), rgb(85, 77, 102).
Aa
White text reads best on this color (7.95:1).
About this color
#554D66 is a dark, muted purple. In OKLCH its lightness is 44%, its chroma 0.042 and its hue 299°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dusty Grape (#545775), ΔE 0.033 away. White text reads best on it, at 7.95:1.
| Hue family | Purples |
| Lightness | dark (44%) |
| Chroma | muted (0.042) |
| Temperature | in between |
| Nearest name | Dusty Grape (#545775) |
| Black text | 2.63:1 |
| White text | 7.95:1 |
Values
| HEX | #554D66 |
| RGB | rgb(85, 77, 102) |
| HSL | hsl(259, 14%, 35%) |
| OKLCH | oklch(43.8% 0.042 299.3) |
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 #554D66 | 7.95:1 | AAA | Lc -92.3 | Preferred for body text |
| Black text on #554D66 | 2.63:1 | Fails | Lc 16.4 | Dividers and decoration only |
| #554D66 text on white | 7.95:1 | AAA | Lc 87.6 | Fine for body text |
| #554D66 text on black | 2.63:1 | Fails | Lc -14.5 | 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
#C2BDCF
oklch(80.8% 0.026 298.5)
-
Step 400
400
#A49CB6
oklch(70.8% 0.038 299.5)
-
Step 500
500
#8D83A4
oklch(63% 0.05 298.8)
-
Step 600
600
#786D8F
oklch(55.7% 0.053 299.5)
-
Step 700
700
#655B7A
oklch(49.3% 0.05 299.3)
-
Step 800
800 (this color)
#554D66
oklch(43.8% 0.042 299.3)
-
Step 900
900
#443E51
oklch(37.8% 0.033 299.3)
-
Step 950
950
#28242F
oklch(26.9% 0.021 301.6)
#554D66 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) | #485167 | 0.022 |
| Deuteranopia (no green cones) | #495165 | 0.022 |
| Tritanopia (no blue cones) | #525156 | 0.033 |
| Achromatopsia (no color) | #515151 | 0.042 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #554D66
#554D66
oklch(43.8% 0.042 299.3)
- #4F553B
#4F553B
oklch(43.7% 0.041 118.7)
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 #554D66, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusty Grape #545775 ΔE 0.033
- Dusk #4E5481 ΔE 0.045
- YInMn Blue #415A77 ΔE 0.047
- Twilight #4E518B ΔE 0.060
- Brownish Purple #76424E ΔE 0.069
- Slate #516572 ΔE 0.069
- Dark Slate Gray #2F4F4F ΔE 0.072
- Light Navy Blue #2E5A88 ΔE 0.072
Use #554D66 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.