#573111
Closest named color: Chestnut (#742802). oklch(35.5% 0.071 57.3), rgb(87, 49, 17).
Aa
White text reads best on this color (11.33:1).
About this color
#573111 is a dark, moderately saturated brown. In OKLCH its lightness is 35%, its chroma 0.071 and its hue 57°. Its hue sits on the warm side of the wheel. The nearest named color is Chestnut (#742802), ΔE 0.060 away. White text reads best on it, at 11.33:1.
| Hue family | Browns |
| Lightness | dark (35%) |
| Chroma | moderately saturated (0.071) |
| Temperature | warm |
| Nearest name | Chestnut (#742802) |
| Black text | 1.85:1 |
| White text | 11.33:1 |
Values
| HEX | #573111 |
| RGB | rgb(87, 49, 17) |
| HSL | hsl(27, 67%, 20%) |
| OKLCH | oklch(35.5% 0.071 57.3) |
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 #573111 | 11.33:1 | AAA | Lc -99.7 | Preferred for body text |
| Black text on #573111 | 1.85:1 | Fails | Lc 8.0 | Not readable |
| #573111 text on white | 11.33:1 | AAA | Lc 95.9 | Preferred for body text |
| #573111 text on black | 1.85:1 | Fails | Lc 0.0 | 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
#F9F4F1
oklch(97% 0.007 53.4)
-
Step 100
100
#F2E8E0
oklch(93.7% 0.015 61.3)
-
Step 200
200
#E9D5C7
oklch(88.6% 0.029 57.3)
-
Step 300
300
#DCB9A0
oklch(81% 0.053 57.4)
-
Step 400
400
#C9936B
oklch(70.6% 0.085 57.4)
-
Step 500
500
#BB7742
oklch(63.1% 0.11 56.9)
-
Step 600
600
#A65F20
oklch(55.6% 0.118 57.4)
-
Step 700
700
#8E4E12
oklch(49.1% 0.11 57.4)
-
Step 800
800
#734013
oklch(42.6% 0.091 57.3)
-
Step 900
900 (this color)
#573111
oklch(35.5% 0.071 57.3)
-
Step 950
950
#37200F
oklch(26.9% 0.045 55.9)
#573111 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) | #3C350D | 0.055 |
| Deuteranopia (no green cones) | #453E11 | 0.050 |
| Tritanopia (no blue cones) | #60292A | 0.048 |
| Achromatopsia (no color) | #3A3A3A | 0.071 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #573111
#573111
oklch(35.5% 0.071 57.3)
- #0B405C
#0B405C
oklch(35.3% 0.071 237.8)
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 #573111, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Chestnut #742802 ΔE 0.060
- Mud Brown #60460F ΔE 0.066
- Purple Brown #673A3F ΔE 0.072
- Reddy Brown #6E1005 ΔE 0.073
- Dark Olive #373E02 ΔE 0.075
- Charcoal Grey #3C4142 ΔE 0.079
- Onyx #343A40 ΔE 0.085
- Chocolate Brown #411900 ΔE 0.086
Use #573111 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.