#573203
Closest named color: Mud Brown (#60460F). oklch(35.6% 0.077 65.1), rgb(87, 50, 3).
Aa
White text reads best on this color (11.27:1).
About this color
#573203 is a dark, moderately saturated brown. In OKLCH its lightness is 36%, its chroma 0.077 and its hue 65°. Its hue sits on the warm side of the wheel. The nearest named color is Mud Brown (#60460F), ΔE 0.061 away. White text reads best on it, at 11.27:1.
| Hue family | Browns |
| Lightness | dark (36%) |
| Chroma | moderately saturated (0.077) |
| Temperature | warm |
| Nearest name | Mud Brown (#60460F) |
| Black text | 1.86:1 |
| White text | 11.27:1 |
Values
| HEX | #573203 |
| RGB | rgb(87, 50, 3) |
| HSL | hsl(34, 93%, 18%) |
| OKLCH | oklch(35.6% 0.077 65.1) |
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 #573203 | 11.27:1 | AAA | Lc -99.5 | Preferred for body text |
| Black text on #573203 | 1.86:1 | Fails | Lc 8.2 | Not readable |
| #573203 text on white | 11.27:1 | AAA | Lc 95.7 | Preferred for body text |
| #573203 text on black | 1.86:1 | 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
#F9F4F0
oklch(97% 0.008 61.5)
-
Step 100
100
#F2E8DE
oklch(93.6% 0.017 67.6)
-
Step 200
200
#E9D5C3
oklch(88.5% 0.033 64.4)
-
Step 300
300
#DBBA9A
oklch(80.9% 0.058 66)
-
Step 400
400
#C99561
oklch(70.8% 0.093 65.4)
-
Step 500
500
#BA7930
oklch(63.1% 0.119 65.3)
-
Step 600
600
#A46100
oklch(55.6% 0.125 64.9)
-
Step 700
700
#8A5100
oklch(49% 0.11 65.1)
-
Step 800
800
#724200
oklch(42.7% 0.096 65.1)
-
Step 900
900 (this color)
#573203
oklch(35.6% 0.077 65.1)
-
Step 950
950
#372109
oklch(27.1% 0.049 65.1)
#573203 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) | #3E3500 | 0.051 |
| Deuteranopia (no green cones) | #473E04 | 0.045 |
| Tritanopia (no blue cones) | #60292A | 0.060 |
| Achromatopsia (no color) | #3B3B3B | 0.077 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #573203
#573203
oklch(35.6% 0.077 65.1)
- #103F61
#103F61
oklch(35.5% 0.077 244.8)
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 #573203, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Mud Brown #60460F ΔE 0.061
- Chestnut #742802 ΔE 0.062
- Dark Olive #373E02 ΔE 0.068
- Reddy Brown #6E1005 ΔE 0.078
- Purple Brown #673A3F ΔE 0.080
- Green Brown #544E03 ΔE 0.083
- Charcoal Grey #3C4142 ΔE 0.085
- Pakistan Green #283618 ΔE 0.085
Use #573203 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.