#55445B
Closest named color: Purple Brown (#673A3F). oklch(41.3% 0.043 317.2), rgb(85, 68, 91).
Aa
White text reads best on this color (8.88:1).
About this color
#55445B is a dark, muted purple. In OKLCH its lightness is 41%, its chroma 0.043 and its hue 317°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Purple Brown (#673A3F), ΔE 0.054 away. White text reads best on it, at 8.88:1.
| Hue family | Purples |
| Lightness | dark (41%) |
| Chroma | muted (0.043) |
| Temperature | in between |
| Nearest name | Purple Brown (#673A3F) |
| Black text | 2.36:1 |
| White text | 8.88:1 |
Values
| HEX | #55445B |
| RGB | rgb(85, 68, 91) |
| HSL | hsl(284, 14%, 31%) |
| OKLCH | oklch(41.3% 0.043 317.2) |
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 #55445B | 8.88:1 | AAA | Lc -94.8 | Preferred for body text |
| Black text on #55445B | 2.36:1 | Fails | Lc 13.6 | Not readable |
| #55445B text on white | 8.88:1 | AAA | Lc 90.3 | Preferred for body text |
| #55445B text on black | 2.36:1 | Fails | Lc -12.0 | 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
#F6F5F7
oklch(97.1% 0.003 308.4)
-
Step 100
100
#ECE8ED
oklch(93.6% 0.008 319.4)
-
Step 200
200
#DDD6DF
oklch(88.4% 0.014 318.7)
-
Step 300
300
#C7BCCC
oklch(80.9% 0.025 315.5)
-
Step 400
400
#AB99B2
oklch(70.7% 0.041 316.6)
-
Step 500
500
#97809F
oklch(63.2% 0.053 317.3)
-
Step 600
600
#816989
oklch(55.5% 0.056 317.6)
-
Step 700
700
#6D5875
oklch(49.2% 0.052 316.6)
-
Step 800
800 (this color)
#55445B
oklch(41.3% 0.043 317.2)
-
Step 900
900
#493C4E
oklch(37.7% 0.035 316.6)
-
Step 950
950
#2B232D
oklch(26.9% 0.022 319.5)
#55445B 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) | #41495C | 0.035 |
| Deuteranopia (no green cones) | #454A5A | 0.031 |
| Tritanopia (no blue cones) | #55474C | 0.030 |
| Achromatopsia (no color) | #4A4A4A | 0.044 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #55445B
#55445B
oklch(41.3% 0.043 317.2)
- #40513A
#40513A
oklch(41.3% 0.043 137.6)
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 #55445B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Purple Brown #673A3F ΔE 0.054
- Dusty Grape #545775 ΔE 0.061
- Charcoal Grey #3C4142 ΔE 0.062
- Brownish Purple #76424E ΔE 0.064
- Dark Grey Blue #29465B ΔE 0.066
- Dusk #4E5481 ΔE 0.068
- Dark Slate Gray #2F4F4F ΔE 0.072
- YInMn Blue #415A77 ΔE 0.072
Use #55445B 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.