#573A56
Closest named color: Purple Brown (#673A3F). oklch(39.3% 0.06 327.8), rgb(87, 58, 86).
Aa
White text reads best on this color (9.79:1).
About this color
#573A56 is a dark, muted purple. In OKLCH its lightness is 39%, its chroma 0.060 and its hue 328°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Purple Brown (#673A3F), ΔE 0.049 away. White text reads best on it, at 9.79:1.
| Hue family | Purples |
| Lightness | dark (39%) |
| Chroma | muted (0.060) |
| Temperature | in between |
| Nearest name | Purple Brown (#673A3F) |
| Black text | 2.14:1 |
| White text | 9.79:1 |
Values
| HEX | #573A56 |
| RGB | rgb(87, 58, 86) |
| HSL | hsl(302, 20%, 28%) |
| OKLCH | oklch(39.3% 0.06 327.8) |
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 #573A56 | 9.79:1 | AAA | Lc -96.8 | Preferred for body text |
| Black text on #573A56 | 2.14:1 | Fails | Lc 11.3 | Not readable |
| #573A56 text on white | 9.79:1 | AAA | Lc 92.6 | Preferred for body text |
| #573A56 text on black | 2.14:1 | Fails | Lc -9.8 | 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 900.
-
Step 50
50
#F8F4F7
oklch(97.1% 0.006 334)
-
Step 100
100
#EFE7EE
oklch(93.6% 0.013 329.6)
-
Step 200
200
#E3D4E2
oklch(88.6% 0.025 327.8)
-
Step 300
300
#D1B7D0
oklch(80.9% 0.045 327.2)
-
Step 400
400
#B991B8
oklch(70.7% 0.072 327.1)
-
Step 500
500
#A775A6
oklch(63% 0.092 327.3)
-
Step 600
600
#925D91
oklch(55.5% 0.1 327.5)
-
Step 700
700
#7D4D7B
oklch(49.2% 0.092 328.3)
-
Step 800
800
#653F64
oklch(42.6% 0.076 327.7)
-
Step 900
900 (this color)
#573A56
oklch(39.3% 0.06 327.8)
-
Step 950
950
#302030
oklch(27% 0.037 326.5)
#573A56 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) | #384157 | 0.055 |
| Deuteranopia (no green cones) | #3F4555 | 0.051 |
| Tritanopia (no blue cones) | #593C44 | 0.034 |
| Achromatopsia (no color) | #444444 | 0.060 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #573A56
#573A56
oklch(39.3% 0.06 327.8)
- #2F4E33
#2F4E33
oklch(39.1% 0.058 147.5)
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 #573A56, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Purple Brown #673A3F ΔE 0.049
- Charcoal Grey #3C4142 ΔE 0.067
- Brownish Purple #76424E ΔE 0.069
- Onyx #343A40 ΔE 0.075
- Dark Grey Blue #29465B ΔE 0.076
- Charcoal #264653 ΔE 0.082
- Grape Purple #5D1451 ΔE 0.085
- Dusty Grape #545775 ΔE 0.086
Use #573A56 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.