#573A4C
Closest named color: Purple Brown (#673A3F). oklch(38.8% 0.049 341.9), rgb(87, 58, 76).
Aa
White text reads best on this color (9.92:1).
About this color
#573A4C is a dark, muted purple. In OKLCH its lightness is 39%, its chroma 0.049 and its hue 342°. Its hue sits on the warm side of the wheel. The nearest named color is Purple Brown (#673A3F), ΔE 0.038 away. White text reads best on it, at 9.92:1.
| Hue family | Purples |
| Lightness | dark (39%) |
| Chroma | muted (0.049) |
| Temperature | warm |
| Nearest name | Purple Brown (#673A3F) |
| Black text | 2.11:1 |
| White text | 9.92:1 |
Values
| HEX | #573A4C |
| RGB | rgb(87, 58, 76) |
| HSL | hsl(323, 20%, 28%) |
| OKLCH | oklch(38.8% 0.049 341.9) |
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 #573A4C | 9.92:1 | AAA | Lc -97.1 | Preferred for body text |
| Black text on #573A4C | 2.11:1 | Fails | Lc 11.0 | Not readable |
| #573A4C text on white | 9.92:1 | AAA | Lc 93.0 | Preferred for body text |
| #573A4C text on black | 2.11:1 | Fails | Lc -9.5 | 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
#F8F4F6
oklch(97.1% 0.005 345.3)
-
Step 100
100
#EFE7EC
oklch(93.6% 0.011 339.3)
-
Step 200
200
#E3D4DD
oklch(88.5% 0.02 340.7)
-
Step 300
300
#D2B8C7
oklch(80.9% 0.036 342.3)
-
Step 400
400
#BB92AB
oklch(70.6% 0.06 341.6)
-
Step 500
500
#AA7796
oklch(63.1% 0.076 342.4)
-
Step 600
600
#946081
oklch(55.6% 0.081 341.6)
-
Step 700
700
#7E4F6D
oklch(49.1% 0.076 341.5)
-
Step 800
800
#674159
oklch(42.8% 0.063 341.8)
-
Step 900
900 (this color)
#573A4C
oklch(38.8% 0.049 341.9)
-
Step 950
950
#31202B
oklch(26.9% 0.032 340.5)
#573A4C 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) | #3B404D | 0.051 |
| Deuteranopia (no green cones) | #42444B | 0.046 |
| Tritanopia (no blue cones) | #5B3A40 | 0.022 |
| Achromatopsia (no color) | #434343 | 0.050 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #573A4C
#573A4C
oklch(38.8% 0.049 341.9)
- #2B4D3C
#2B4D3C
oklch(38.9% 0.05 161.1)
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 #573A4C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Purple Brown #673A3F ΔE 0.038
- Charcoal Grey #3C4142 ΔE 0.057
- Brownish Purple #76424E ΔE 0.067
- Onyx #343A40 ΔE 0.067
- Dark Grey Blue #29465B ΔE 0.077
- Charcoal #264653 ΔE 0.080
- Dark Slate Gray #2F4F4F ΔE 0.085
- Dark Blue Grey #1F3B4D ΔE 0.090
Use #573A4C 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.