#573221
Closest named color: Purple Brown (#673A3F). oklch(35.9% 0.061 45), rgb(87, 50, 33).
Aa
White text reads best on this color (11.14:1).
About this color
#573221 is a dark, muted brown. In OKLCH its lightness is 36%, its chroma 0.061 and its hue 45°. Its hue sits on the warm side of the wheel. The nearest named color is Purple Brown (#673A3F), ΔE 0.057 away. White text reads best on it, at 11.14:1.
| Hue family | Browns |
| Lightness | dark (36%) |
| Chroma | muted (0.061) |
| Temperature | warm |
| Nearest name | Purple Brown (#673A3F) |
| Black text | 1.88:1 |
| White text | 11.14:1 |
Values
| HEX | #573221 |
| RGB | rgb(87, 50, 33) |
| HSL | hsl(19, 45%, 24%) |
| OKLCH | oklch(35.9% 0.061 45) |
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 #573221 | 11.14:1 | AAA | Lc -99.4 | Preferred for body text |
| Black text on #573221 | 1.88:1 | Fails | Lc 8.3 | Not readable |
| #573221 text on white | 11.14:1 | AAA | Lc 95.6 | Preferred for body text |
| #573221 text on black | 1.88:1 | 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
#F9F4F2
oklch(97% 0.006 43.3)
-
Step 100
100
#F2E7E3
oklch(93.6% 0.013 41.2)
-
Step 200
200
#E8D4CC
oklch(88.4% 0.025 43.2)
-
Step 300
300
#DBB8A9
oklch(80.9% 0.046 44.5)
-
Step 400
400
#C8937B
oklch(70.8% 0.073 45.4)
-
Step 500
500
#B87759
oklch(63.1% 0.093 45.4)
-
Step 600
600
#A45F3F
oklch(55.7% 0.101 45)
-
Step 700
700
#8C4E31
oklch(49.1% 0.094 45)
-
Step 800
800
#724029
oklch(42.7% 0.078 44.8)
-
Step 900
900 (this color)
#573221
oklch(35.9% 0.061 45)
-
Step 950
950
#362016
oklch(26.9% 0.039 45.1)
#573221 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) | #3C3620 | 0.053 |
| Deuteranopia (no green cones) | #453E21 | 0.048 |
| Tritanopia (no blue cones) | #5F2B2E | 0.035 |
| Achromatopsia (no color) | #3B3B3B | 0.061 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #573221
#573221
oklch(35.9% 0.061 45)
- #0F4355
#0F4355
oklch(35.9% 0.061 226)
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 #573221, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Purple Brown #673A3F ΔE 0.057
- Chestnut #742802 ΔE 0.062
- Charcoal Grey #3C4142 ΔE 0.068
- Mud Brown #60460F ΔE 0.070
- Reddy Brown #6E1005 ΔE 0.073
- Onyx #343A40 ΔE 0.074
- Dark Olive #373E02 ΔE 0.083
- Claret #680018 ΔE 0.087
Use #573221 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.