#573E17
Closest named color: Mud Brown (#60460F). oklch(38.3% 0.064 75.6), rgb(87, 62, 23).
Aa
White text reads best on this color (9.96:1).
About this color
#573E17 is a dark, muted brown. In OKLCH its lightness is 38%, its chroma 0.064 and its hue 76°. Its hue sits on the warm side of the wheel. The nearest named color is Mud Brown (#60460F), ΔE 0.032 away. White text reads best on it, at 9.96:1.
| Hue family | Browns |
| Lightness | dark (38%) |
| Chroma | muted (0.064) |
| Temperature | warm |
| Nearest name | Mud Brown (#60460F) |
| Black text | 2.10:1 |
| White text | 9.96:1 |
Values
| HEX | #573E17 |
| RGB | rgb(87, 62, 23) |
| HSL | hsl(37, 58%, 22%) |
| OKLCH | oklch(38.3% 0.064 75.6) |
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 #573E17 | 9.96:1 | AAA | Lc -97.2 | Preferred for body text |
| Black text on #573E17 | 2.10:1 | Fails | Lc 10.9 | Not readable |
| #573E17 text on white | 9.96:1 | AAA | Lc 93.0 | Preferred for body text |
| #573E17 text on black | 2.10:1 | Fails | Lc -9.5 | 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
#F8F5F1
oklch(97.1% 0.006 75.4)
-
Step 100
100
#EFE9E0
oklch(93.6% 0.014 78.3)
-
Step 200
200
#E4D7C6
oklch(88.5% 0.027 74.7)
-
Step 300
300
#D3BD9E
oklch(80.9% 0.049 76.4)
-
Step 400
400
#BD9A69
oklch(70.7% 0.078 75.3)
-
Step 500
500
#AC813F
oklch(63.2% 0.099 75.9)
-
Step 600
600
#97691A
oklch(55.6% 0.107 75.5)
-
Step 700
700
#815709
oklch(49% 0.1 75.2)
-
Step 800
800
#69480E
oklch(42.8% 0.083 76)
-
Step 900
900 (this color)
#573E17
oklch(38.3% 0.064 75.6)
-
Step 950
950
#32230E
oklch(26.9% 0.041 73.8)
#573E17 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) | #473F13 | 0.031 |
| Deuteranopia (no green cones) | #4D4518 | 0.027 |
| Tritanopia (no blue cones) | #5F3736 | 0.056 |
| Achromatopsia (no color) | #434343 | 0.064 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #573E17
#573E17
oklch(38.3% 0.064 75.6)
- #2B4465
#2B4465
oklch(38.2% 0.065 255.8)
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 #573E17, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Mud Brown #60460F ΔE 0.032
- Green Brown #544E03 ΔE 0.055
- Dark Olive #373E02 ΔE 0.064
- Purple Brown #673A3F ΔE 0.070
- Charcoal Grey #3C4142 ΔE 0.071
- Chestnut #742802 ΔE 0.072
- Olive Brown #645403 ΔE 0.075
- Navy Green #35530A ΔE 0.086
Use #573E17 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.