#573A45
Closest named color: Purple Brown (#673A3F). oklch(38.6% 0.044 354.9), rgb(87, 58, 69).
Aa
White text reads best on this color (10.01:1).
About this color
#573A45 is a dark, muted red. In OKLCH its lightness is 39%, its chroma 0.044 and its hue 355°. Its hue sits on the warm side of the wheel. The nearest named color is Purple Brown (#673A3F), ΔE 0.033 away. White text reads best on it, at 10.01:1.
| Hue family | Reds |
| Lightness | dark (39%) |
| Chroma | muted (0.044) |
| Temperature | warm |
| Nearest name | Purple Brown (#673A3F) |
| Black text | 2.09:1 |
| White text | 10.01:1 |
Values
| HEX | #573A45 |
| RGB | rgb(87, 58, 69) |
| HSL | hsl(337, 20%, 28%) |
| OKLCH | oklch(38.6% 0.044 354.9) |
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 #573A45 | 10.01:1 | AAA | Lc -97.3 | Preferred for body text |
| Black text on #573A45 | 2.09:1 | Fails | Lc 10.8 | Not readable |
| #573A45 text on white | 10.01:1 | AAA | Lc 93.2 | Preferred for body text |
| #573A45 text on black | 2.09:1 | Fails | Lc -9.3 | 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
#E4D4DA
oklch(88.5% 0.019 352.7)
-
Step 300
300
#D3B8C2
oklch(80.9% 0.034 353.5)
-
Step 400
400
#BC93A2
oklch(70.6% 0.053 354.7)
-
Step 500
500
#AB798C
oklch(63.2% 0.067 354.7)
-
Step 600
600
#966175
oklch(55.6% 0.074 355.5)
-
Step 700
700
#805063
oklch(49.1% 0.069 354.6)
-
Step 800
800
#684251
oklch(42.8% 0.057 354.5)
-
Step 900
900 (this color)
#573A45
oklch(38.6% 0.044 354.9)
-
Step 950
950
#322127
oklch(27.1% 0.028 356.2)
#573A45 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) | #3D3F45 | 0.048 |
| Deuteranopia (no green cones) | #444444 | 0.044 |
| Tritanopia (no blue cones) | #5B393E | 0.013 |
| Achromatopsia (no color) | #424242 | 0.045 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #573A45
#573A45
oklch(38.6% 0.044 354.9)
- #294C42
#294C42
oklch(38.7% 0.045 173.5)
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 #573A45, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Purple Brown #673A3F ΔE 0.033
- Charcoal Grey #3C4142 ΔE 0.052
- Onyx #343A40 ΔE 0.064
- Brownish Purple #76424E ΔE 0.067
- Dark Grey Blue #29465B ΔE 0.079
- Charcoal #264653 ΔE 0.080
- Dark Slate Gray #2F4F4F ΔE 0.082
- Gunmetal #293241 ΔE 0.089
Use #573A45 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.