#573701
Closest named color: Mud Brown (#60460F). oklch(36.6% 0.077 72.8), rgb(87, 55, 1).
Aa
White text reads best on this color (10.75:1).
About this color
#573701 is a dark, moderately saturated brown. In OKLCH its lightness is 37%, its chroma 0.077 and its hue 73°. Its hue sits on the warm side of the wheel. The nearest named color is Mud Brown (#60460F), ΔE 0.048 away. White text reads best on it, at 10.75:1.
| Hue family | Browns |
| Lightness | dark (37%) |
| Chroma | moderately saturated (0.077) |
| Temperature | warm |
| Nearest name | Mud Brown (#60460F) |
| Black text | 1.95:1 |
| White text | 10.75:1 |
Values
| HEX | #573701 |
| RGB | rgb(87, 55, 1) |
| HSL | hsl(38, 98%, 17%) |
| OKLCH | oklch(36.6% 0.077 72.8) |
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 #573701 | 10.75:1 | AAA | Lc -98.6 | Preferred for body text |
| Black text on #573701 | 1.95:1 | Fails | Lc 9.2 | Not readable |
| #573701 text on white | 10.75:1 | AAA | Lc 94.7 | Preferred for body text |
| #573701 text on black | 1.95:1 | Fails | Lc -7.9 | 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
#F9F5F0
oklch(97.2% 0.008 73.7)
-
Step 100
100
#F1E8DE
oklch(93.5% 0.017 70.5)
-
Step 200
200
#E7D6C2
oklch(88.5% 0.033 71.9)
-
Step 300
300
#D8BB98
oklch(80.8% 0.058 72.1)
-
Step 400
400
#C4975D
oklch(70.6% 0.093 72.4)
-
Step 500
500
#B57D29
oklch(63.2% 0.119 72.8)
-
Step 600
600
#9D6600
oklch(55.6% 0.119 72.5)
-
Step 700
700
#845500
oklch(49% 0.105 72.4)
-
Step 800
800
#6D4600
oklch(42.8% 0.091 73.1)
-
Step 900
900 (this color)
#573701
oklch(36.6% 0.077 72.8)
-
Step 950
950
#352207
oklch(27% 0.049 72.3)
#573701 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) | #423900 | 0.041 |
| Deuteranopia (no green cones) | #4A4103 | 0.037 |
| Tritanopia (no blue cones) | #602F2E | 0.064 |
| Achromatopsia (no color) | #3E3E3E | 0.077 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #573701
#573701
oklch(36.6% 0.077 72.8)
- #1E4066
#1E4066
oklch(36.6% 0.077 252.9)
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 #573701, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Mud Brown #60460F ΔE 0.048
- Dark Olive #373E02 ΔE 0.062
- Chestnut #742802 ΔE 0.067
- Green Brown #544E03 ΔE 0.068
- Purple Brown #673A3F ΔE 0.081
- Charcoal Grey #3C4142 ΔE 0.083
- Pakistan Green #283618 ΔE 0.085
- Reddy Brown #6E1005 ΔE 0.090
Use #573701 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.