#573C47
Closest named color: Purple Brown (#673A3F). oklch(39% 0.041 353), rgb(87, 60, 71).
Aa
White text reads best on this color (9.80:1).
About this color
#573C47 is a dark, muted red. In OKLCH its lightness is 39%, its chroma 0.041 and its hue 353°. Its hue sits on the warm side of the wheel. The nearest named color is Purple Brown (#673A3F), ΔE 0.032 away. White text reads best on it, at 9.80:1.
| Hue family | Reds |
| Lightness | dark (39%) |
| Chroma | muted (0.041) |
| Temperature | warm |
| Nearest name | Purple Brown (#673A3F) |
| Black text | 2.14:1 |
| White text | 9.80:1 |
Values
| HEX | #573C47 |
| RGB | rgb(87, 60, 71) |
| HSL | hsl(336, 18%, 29%) |
| OKLCH | oklch(39% 0.041 353) |
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 #573C47 | 9.80:1 | AAA | Lc -96.9 | Preferred for body text |
| Black text on #573C47 | 2.14:1 | Fails | Lc 11.3 | Not readable |
| #573C47 text on white | 9.80:1 | AAA | Lc 92.7 | Preferred for body text |
| #573C47 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
#F8F4F6
oklch(97.1% 0.005 345.3)
-
Step 100
100
#EFE7EA
oklch(93.5% 0.01 352.4)
-
Step 200
200
#E3D5DA
oklch(88.6% 0.017 353.7)
-
Step 300
300
#D2B9C2
oklch(81% 0.031 354)
-
Step 400
400
#BA94A3
oklch(70.6% 0.05 352.8)
-
Step 500
500
#A97A8D
oklch(63.2% 0.064 353.1)
-
Step 600
600
#936277
oklch(55.5% 0.069 352.3)
-
Step 700
700
#7D5164
oklch(49% 0.064 352.2)
-
Step 800
800
#664351
oklch(42.7% 0.052 353.9)
-
Step 900
900 (this color)
#573C47
oklch(39% 0.041 353)
-
Step 950
950
#312127
oklch(27% 0.027 354.7)
#573C47 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) | #3F4147 | 0.044 |
| Deuteranopia (no green cones) | #454546 | 0.041 |
| Tritanopia (no blue cones) | #5B3B40 | 0.013 |
| Achromatopsia (no color) | #444444 | 0.042 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #573C47
#573C47
oklch(39% 0.041 353)
- #2D4D43
#2D4D43
oklch(39.2% 0.042 172.2)
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 #573C47, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Purple Brown #673A3F ΔE 0.032
- Charcoal Grey #3C4142 ΔE 0.051
- Brownish Purple #76424E ΔE 0.065
- Onyx #343A40 ΔE 0.065
- Dark Grey Blue #29465B ΔE 0.077
- Charcoal #264653 ΔE 0.078
- Dark Slate Gray #2F4F4F ΔE 0.079
- Mud Brown #60460F ΔE 0.089
Use #573C47 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.