#554B6B
Closest named color: Dusty Grape (#545775). oklch(43.6% 0.053 298.5), rgb(85, 75, 107).
Aa
White text reads best on this color (8.06:1).
About this color
#554B6B is a dark, muted purple. In OKLCH its lightness is 44%, its chroma 0.053 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 0.035 away. White text reads best on it, at 8.06:1.
| Hue family | Purples |
| Lightness | dark (44%) |
| Chroma | muted (0.053) |
| Temperature | in between |
| Nearest name | Dusty Grape (#545775) |
| Black text | 2.60:1 |
| White text | 8.06:1 |
Values
| HEX | #554B6B |
| RGB | rgb(85, 75, 107) |
| HSL | hsl(259, 18%, 36%) |
| OKLCH | oklch(43.6% 0.053 298.5) |
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 #554B6B | 8.06:1 | AAA | Lc -92.6 | Preferred for body text |
| Black text on #554B6B | 2.60:1 | Fails | Lc 16.1 | Dividers and decoration only |
| #554B6B text on white | 8.06:1 | AAA | Lc 87.9 | Fine for body text |
| #554B6B text on black | 2.60:1 | Fails | Lc -14.2 | 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
#F6F5F8
oklch(97.2% 0.004 301.4)
-
Step 100
100
#EAE9EF
oklch(93.7% 0.008 293.9)
-
Step 200
200
#DAD7E3
oklch(88.5% 0.017 297.5)
-
Step 300
300
#C3BDD2
oklch(81% 0.03 298.8)
-
Step 400
400
#A49ABC
oklch(70.6% 0.05 298.6)
-
Step 500
500
#8E81AB
oklch(63% 0.064 298.7)
-
Step 600
600
#786B97
oklch(55.7% 0.069 297.7)
-
Step 700
700
#655981
oklch(49.2% 0.064 297.8)
-
Step 800
800 (this color)
#554B6B
oklch(43.6% 0.053 298.5)
-
Step 900
900
#443D55
oklch(37.7% 0.041 297.8)
-
Step 950
950
#282432
oklch(27.1% 0.026 297.7)
#554B6B 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) | #44506C | 0.029 |
| Deuteranopia (no green cones) | #46506A | 0.027 |
| Tritanopia (no blue cones) | #515056 | 0.043 |
| Achromatopsia (no color) | #505050 | 0.053 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #554B6B
#554B6B
oklch(43.6% 0.053 298.5)
- #4E5633
#4E5633
oklch(43.7% 0.054 119.2)
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 #554B6B, 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 0.039
- YInMn Blue #415A77 ΔE 0.049
- Twilight #4E518B ΔE 0.052
- Light Navy Blue #2E5A88 ΔE 0.070
- Brownish Purple #76424E ΔE 0.073
- Dark Grey Blue #29465B ΔE 0.074
- Denim Blue #3B5B92 ΔE 0.074
Use #554B6B 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.