#55405A
Closest named color: Purple Brown (#673A3F). oklch(40.4% 0.05 319.8), rgb(85, 64, 90).
Aa
White text reads best on this color (9.26:1).
About this color
#55405A is a dark, muted purple. In OKLCH its lightness is 40%, its chroma 0.050 and its hue 320°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Purple Brown (#673A3F), ΔE 0.053 away. White text reads best on it, at 9.26:1.
| Hue family | Purples |
| Lightness | dark (40%) |
| Chroma | muted (0.050) |
| Temperature | in between |
| Nearest name | Purple Brown (#673A3F) |
| Black text | 2.26:1 |
| White text | 9.26:1 |
Values
| HEX | #55405A |
| RGB | rgb(85, 64, 90) |
| HSL | hsl(288, 17%, 30%) |
| OKLCH | oklch(40.4% 0.05 319.8) |
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 #55405A | 9.26:1 | AAA | Lc -95.7 | Preferred for body text |
| Black text on #55405A | 2.26:1 | Fails | Lc 12.6 | Not readable |
| #55405A text on white | 9.26:1 | AAA | Lc 91.3 | Preferred for body text |
| #55405A text on black | 2.26:1 | Fails | Lc -11.0 | 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
#F7F5F7
oklch(97.2% 0.003 325.6)
-
Step 100
100
#ECE8ED
oklch(93.6% 0.008 319.4)
-
Step 200
200
#DED6E0
oklch(88.5% 0.016 319.4)
-
Step 300
300
#C9BBCD
oklch(80.9% 0.029 318.7)
-
Step 400
400
#AE98B3
oklch(70.8% 0.046 320)
-
Step 500
500
#9A7EA1
oklch(63.1% 0.061 319.5)
-
Step 600
600
#84678B
oklch(55.5% 0.064 319.7)
-
Step 700
700
#705676
oklch(49.2% 0.059 319.9)
-
Step 800
800 (this color)
#55405A
oklch(40.4% 0.05 319.8)
-
Step 900
900
#4B3B4F
oklch(37.7% 0.039 319.5)
-
Step 950
950
#2C232E
oklch(27.1% 0.024 320.1)
#55405A 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) | #3D465B | 0.042 |
| Deuteranopia (no green cones) | #424859 | 0.039 |
| Tritanopia (no blue cones) | #554349 | 0.033 |
| Achromatopsia (no color) | #474747 | 0.051 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #55405A
#55405A
oklch(40.4% 0.05 319.8)
- #3A5035
#3A5035
oklch(40.5% 0.052 139.9)
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 #55405A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Purple Brown #673A3F ΔE 0.053
- Charcoal Grey #3C4142 ΔE 0.063
- Brownish Purple #76424E ΔE 0.067
- Dark Grey Blue #29465B ΔE 0.068
- Dusty Grape #545775 ΔE 0.071
- Charcoal #264653 ΔE 0.075
- Dusk #4E5481 ΔE 0.075
- Onyx #343A40 ΔE 0.076
Use #55405A 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.