#573140
Closest named color: Purple Brown (#673A3F). oklch(36.6% 0.059 355.2), rgb(87, 49, 64).
Aa
White text reads best on this color (10.94:1).
About this color
#573140 is a dark, muted red. In OKLCH its lightness is 37%, its chroma 0.059 and its hue 355°. Its hue sits on the warm side of the wheel. The nearest named color is Purple Brown (#673A3F), ΔE 0.044 away. White text reads best on it, at 10.94:1.
| Hue family | Reds |
| Lightness | dark (37%) |
| Chroma | muted (0.059) |
| Temperature | warm |
| Nearest name | Purple Brown (#673A3F) |
| Black text | 1.91:1 |
| White text | 10.94:1 |
Values
| HEX | #573140 |
| RGB | rgb(87, 49, 64) |
| HSL | hsl(336, 28%, 27%) |
| OKLCH | oklch(36.6% 0.059 355.2) |
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 #573140 | 10.94:1 | AAA | Lc -99.0 | Preferred for body text |
| Black text on #573140 | 1.91:1 | Fails | Lc 8.7 | Not readable |
| #573140 text on white | 10.94:1 | AAA | Lc 95.2 | Preferred for body text |
| #573140 text on black | 1.91:1 | Fails | Lc -7.5 | 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
#F9F4F5
oklch(97.1% 0.006 3.3)
-
Step 100
100
#F1E6EA
oklch(93.5% 0.013 353.2)
-
Step 200
200
#E7D3DA
oklch(88.5% 0.024 354.3)
-
Step 300
300
#D9B5C2
oklch(80.8% 0.045 354.4)
-
Step 400
400
#C58FA3
oklch(70.8% 0.07 355)
-
Step 500
500
#B5728C
oklch(63.1% 0.091 355.2)
-
Step 600
600
#A05A76
oklch(55.7% 0.098 355.3)
-
Step 700
700
#894963
oklch(49.1% 0.092 355.3)
-
Step 800
800
#6F3C51
oklch(42.6% 0.076 354.7)
-
Step 900
900 (this color)
#573140
oklch(36.6% 0.059 355.2)
-
Step 950
950
#351F27
oklch(27.1% 0.036 356.4)
#573140 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) | #363841 | 0.063 |
| Deuteranopia (no green cones) | #3F3F3F | 0.059 |
| Tritanopia (no blue cones) | #5C2F36 | 0.018 |
| Achromatopsia (no color) | #3D3D3D | 0.059 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #573140
#573140
oklch(36.6% 0.059 355.2)
- #13493D
#13493D
oklch(36.7% 0.06 175)
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 #573140, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Purple Brown #673A3F ΔE 0.044
- Charcoal Grey #3C4142 ΔE 0.065
- Onyx #343A40 ΔE 0.067
- Grape Purple #5D1451 ΔE 0.078
- Brownish Purple #76424E ΔE 0.082
- Gunmetal #293241 ΔE 0.085
- Space Cadet #2B2D42 ΔE 0.087
- Burgundy #610023 ΔE 0.087
Use #573140 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.