#573E01
Closest named color: Mud Brown (#60460F). oklch(38.2% 0.078 82.5), rgb(87, 62, 1).
Aa
White text reads best on this color (10.02:1).
About this color
#573E01 is a dark, moderately saturated brown. In OKLCH its lightness is 38%, its chroma 0.078 and its hue 83°. Its hue sits on the warm side of the wheel. The nearest named color is Mud Brown (#60460F), ΔE 0.031 away. White text reads best on it, at 10.02:1.
| Hue family | Browns |
| Lightness | dark (38%) |
| Chroma | moderately saturated (0.078) |
| Temperature | warm |
| Nearest name | Mud Brown (#60460F) |
| Black text | 2.09:1 |
| White text | 10.02:1 |
Values
| HEX | #573E01 |
| RGB | rgb(87, 62, 1) |
| HSL | hsl(43, 98%, 17%) |
| OKLCH | oklch(38.2% 0.078 82.5) |
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 #573E01 | 10.02:1 | AAA | Lc -97.2 | Preferred for body text |
| Black text on #573E01 | 2.09:1 | Fails | Lc 10.9 | Not readable |
| #573E01 text on white | 10.02:1 | AAA | Lc 93.1 | Preferred for body text |
| #573E01 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
#EFE9DD
oklch(93.5% 0.017 84.6)
-
Step 200
200
#E4D8C2
oklch(88.6% 0.032 82.8)
-
Step 300
300
#D3BE96
oklch(80.9% 0.059 83.4)
-
Step 400
400
#BD9B5A
oklch(70.6% 0.093 82.5)
-
Step 500
500
#AD8120
oklch(63% 0.12 82)
-
Step 600
600
#946C00
oklch(55.7% 0.115 82.9)
-
Step 700
700
#7D5A00
oklch(49.1% 0.101 82.2)
-
Step 800
800
#664900
oklch(42.6% 0.088 82.4)
-
Step 900
900 (this color)
#573E01
oklch(38.2% 0.078 82.5)
-
Step 950
950
#322405
oklch(27% 0.05 83.6)
#573E01 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) | #483E00 | 0.029 |
| Deuteranopia (no green cones) | #4E4504 | 0.025 |
| Tritanopia (no blue cones) | #603634 | 0.070 |
| Achromatopsia (no color) | #424242 | 0.078 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #573E01
#573E01
oklch(38.2% 0.078 82.5)
- #2C426C
#2C426C
oklch(38.2% 0.077 262.4)
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 #573E01, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Mud Brown #60460F ΔE 0.031
- Green Brown #544E03 ΔE 0.048
- Dark Olive #373E02 ΔE 0.058
- Olive Brown #645403 ΔE 0.071
- Chestnut #742802 ΔE 0.076
- Navy Green #35530A ΔE 0.080
- Charcoal Grey #3C4142 ΔE 0.083
- Purple Brown #673A3F ΔE 0.085
Use #573E01 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.