#573C46
Closest named color: Purple Brown (#673A3F). oklch(39% 0.041 355.2), rgb(87, 60, 70).
Aa
White text reads best on this color (9.81:1).
About this color
#573C46 is a dark, muted red. In OKLCH its lightness is 39%, its chroma 0.041 and its hue 355°. 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 9.81:1.
| Hue family | Reds |
| Lightness | dark (39%) |
| Chroma | muted (0.041) |
| Temperature | warm |
| Nearest name | Purple Brown (#673A3F) |
| Black text | 2.14:1 |
| White text | 9.81:1 |
Values
| HEX | #573C46 |
| RGB | rgb(87, 60, 70) |
| HSL | hsl(338, 18%, 29%) |
| OKLCH | oklch(39% 0.041 355.2) |
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 #573C46 | 9.81:1 | AAA | Lc -96.9 | Preferred for body text |
| Black text on #573C46 | 2.14:1 | Fails | Lc 11.2 | Not readable |
| #573C46 text on white | 9.81:1 | AAA | Lc 92.7 | Preferred for body text |
| #573C46 text on black | 2.14:1 | Fails | Lc -9.7 | 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
#F8F4F5
oklch(97.1% 0.004 360)
-
Step 100
100
#EFE7EA
oklch(93.5% 0.01 352.4)
-
Step 200
200
#E3D5D9
oklch(88.5% 0.016 358.1)
-
Step 300
300
#D2B9C1
oklch(80.9% 0.03 356.5)
-
Step 400
400
#BA94A2
oklch(70.6% 0.049 354.4)
-
Step 500
500
#A97A8B
oklch(63.1% 0.063 355.6)
-
Step 600
600
#946375
oklch(55.7% 0.068 355.8)
-
Step 700
700
#7E5262
oklch(49.2% 0.063 356.2)
-
Step 800
800
#664350
oklch(42.7% 0.052 355.6)
-
Step 900
900 (this color)
#573C46
oklch(39% 0.041 355.2)
-
Step 950
950
#312127
oklch(27% 0.027 354.7)
#573C46 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) | #3F4146 | 0.044 |
| Deuteranopia (no green cones) | #454545 | 0.041 |
| Tritanopia (no blue cones) | #5B3B3F | 0.013 |
| Achromatopsia (no color) | #444444 | 0.041 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #573C46
#573C46
oklch(39% 0.041 355.2)
- #2C4C44
#2C4C44
oklch(38.9% 0.04 176.4)
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 #573C46, 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 0.050
- Onyx #343A40 ΔE 0.065
- Brownish Purple #76424E ΔE 0.065
- Dark Grey Blue #29465B ΔE 0.077
- Charcoal #264653 ΔE 0.078
- Dark Slate Gray #2F4F4F ΔE 0.078
- Mud Brown #60460F ΔE 0.088
Use #573C46 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.