#55506F
Closest named color: Dusty Grape (#545775). oklch(44.9% 0.05 291.6), rgb(85, 80, 111).
Aa
White text reads best on this color (7.59:1).
About this color
#55506F is a dark, muted purple. In OKLCH its lightness is 45%, its chroma 0.050 and its hue 292°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dusty Grape (#545775), ΔE 0.020 away. White text reads best on it, at 7.59:1.
| Hue family | Purples |
| Lightness | dark (45%) |
| Chroma | muted (0.050) |
| Temperature | in between |
| Nearest name | Dusty Grape (#545775) |
| Black text | 2.76:1 |
| White text | 7.59:1 |
Values
| HEX | #55506F |
| RGB | rgb(85, 80, 111) |
| HSL | hsl(250, 16%, 37%) |
| OKLCH | oklch(44.9% 0.05 291.6) |
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 #55506F | 7.59:1 | AAA | Lc -91.2 | Preferred for body text |
| Black text on #55506F | 2.76:1 | Fails | Lc 17.6 | Dividers and decoration only |
| #55506F text on white | 7.59:1 | AAA | Lc 86.4 | Fine for body text |
| #55506F text on black | 2.76:1 | Fails | Lc -15.7 | 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
#F5F5F8
oklch(97.1% 0.004 286.3)
-
Step 100
100
#EAE9EF
oklch(93.7% 0.008 293.9)
-
Step 200
200
#D9D7E3
oklch(88.4% 0.016 293.7)
-
Step 300
300
#C0BED3
oklch(81% 0.029 290.1)
-
Step 400
400
#A09CBC
oklch(70.7% 0.046 290.9)
-
Step 500
500
#8983AC
oklch(63% 0.061 291.2)
-
Step 600
600
#746D97
oklch(55.7% 0.065 291.8)
-
Step 700
700
#615B81
oklch(49.2% 0.06 291.2)
-
Step 800
800 (this color)
#55506F
oklch(44.9% 0.05 291.6)
-
Step 900
900
#423E55
oklch(37.7% 0.039 292.4)
-
Step 950
950
#262432
oklch(26.9% 0.026 291.1)
#55506F 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) | #485470 | 0.022 |
| Deuteranopia (no green cones) | #49536E | 0.020 |
| Tritanopia (no blue cones) | #50555B | 0.042 |
| Achromatopsia (no color) | #545454 | 0.051 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #55506F
#55506F
oklch(44.9% 0.05 291.6)
- #565837
#565837
oklch(45% 0.05 111.2)
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 #55506F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusty Grape #545775 ΔE 0.020
- Dusk #4E5481 ΔE 0.030
- YInMn Blue #415A77 ΔE 0.038
- Twilight #4E518B ΔE 0.047
- Light Navy Blue #2E5A88 ΔE 0.062
- Slate #516572 ΔE 0.062
- Denim Blue #3B5B92 ΔE 0.065
- Dusky Blue #475F94 ΔE 0.066
Use #55506F 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.