#573E09
Closest named color: Mud Brown (#60460F). oklch(38.2% 0.074 80.6), rgb(87, 62, 9).
Aa
White text reads best on this color (10.00:1).
About this color
#573E09 is a dark, moderately saturated brown. In OKLCH its lightness is 38%, its chroma 0.074 and its hue 81°. Its hue sits on the warm side of the wheel. The nearest named color is Mud Brown (#60460F), ΔE 0.030 away. White text reads best on it, at 10.00:1.
| Hue family | Browns |
| Lightness | dark (38%) |
| Chroma | moderately saturated (0.074) |
| Temperature | warm |
| Nearest name | Mud Brown (#60460F) |
| Black text | 2.09:1 |
| White text | 10.00:1 |
Values
| HEX | #573E09 |
| RGB | rgb(87, 62, 9) |
| HSL | hsl(41, 81%, 19%) |
| OKLCH | oklch(38.2% 0.074 80.6) |
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 #573E09 | 10.00:1 | AAA | Lc -97.2 | Preferred for body text |
| Black text on #573E09 | 2.09:1 | Fails | Lc 10.9 | Not readable |
| #573E09 text on white | 10.00:1 | AAA | Lc 93.1 | Preferred for body text |
| #573E09 text on black | 2.09:1 | Fails | Lc -9.4 | 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
#F8F5F0
oklch(97.1% 0.007 80.7)
-
Step 100
100
#EFE9DE
oklch(93.6% 0.016 82.8)
-
Step 200
200
#E4D7C3
oklch(88.4% 0.03 78.8)
-
Step 300
300
#D3BD99
oklch(80.8% 0.054 80)
-
Step 400
400
#BD9B5F
oklch(70.7% 0.088 80.8)
-
Step 500
500
#AC812C
oklch(63% 0.112 80.7)
-
Step 600
600
#966B00
oklch(55.7% 0.115 80.8)
-
Step 700
700
#7E5900
oklch(49% 0.101 80.5)
-
Step 800
800
#684900
oklch(42.8% 0.089 80.7)
-
Step 900
900 (this color)
#573E09
oklch(38.2% 0.074 80.6)
-
Step 950
950
#322408
oklch(27.1% 0.047 81.6)
#573E09 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) | #483F01 | 0.030 |
| Deuteranopia (no green cones) | #4E450C | 0.025 |
| Tritanopia (no blue cones) | #5F3734 | 0.063 |
| Achromatopsia (no color) | #424242 | 0.074 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #573E09
#573E09
oklch(38.2% 0.074 80.6)
- #2C436A
#2C436A
oklch(38.3% 0.073 260.5)
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 #573E09, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Mud Brown #60460F ΔE 0.030
- Green Brown #544E03 ΔE 0.049
- Dark Olive #373E02 ΔE 0.060
- Olive Brown #645403 ΔE 0.072
- Chestnut #742802 ΔE 0.075
- Charcoal Grey #3C4142 ΔE 0.079
- Purple Brown #673A3F ΔE 0.080
- Navy Green #35530A ΔE 0.081
Use #573E09 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.