#573B2E
Closest named color: Purple Brown (#673A3F). oklch(38.1% 0.045 45.8), rgb(87, 59, 46).
Aa
White text reads best on this color (10.14:1).
About this color
#573B2E is a dark, muted brown. In OKLCH its lightness is 38%, its chroma 0.045 and its hue 46°. Its hue sits on the warm side of the wheel. The nearest named color is Purple Brown (#673A3F), ΔE 0.043 away. White text reads best on it, at 10.14:1.
| Hue family | Browns |
| Lightness | dark (38%) |
| Chroma | muted (0.045) |
| Temperature | warm |
| Nearest name | Purple Brown (#673A3F) |
| Black text | 2.07:1 |
| White text | 10.14:1 |
Values
| HEX | #573B2E |
| RGB | rgb(87, 59, 46) |
| HSL | hsl(19, 31%, 26%) |
| OKLCH | oklch(38.1% 0.045 45.8) |
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 #573B2E | 10.14:1 | AAA | Lc -97.6 | Preferred for body text |
| Black text on #573B2E | 2.07:1 | Fails | Lc 10.5 | Not readable |
| #573B2E text on white | 10.14:1 | AAA | Lc 93.5 | Preferred for body text |
| #573B2E text on black | 2.07:1 | Fails | Lc -9.0 | 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
#F8F4F3
oklch(97% 0.005 34.3)
-
Step 100
100
#F0E8E4
oklch(93.6% 0.01 48.6)
-
Step 200
200
#E4D6CF
oklch(88.5% 0.018 48.5)
-
Step 300
300
#D4BAAF
oklch(80.8% 0.034 44.3)
-
Step 400
400
#BE9785
oklch(70.8% 0.054 46)
-
Step 500
500
#AD7C66
oklch(63% 0.069 45.2)
-
Step 600
600
#98654D
oklch(55.5% 0.075 45.9)
-
Step 700
700
#82543E
oklch(49.2% 0.07 46.2)
-
Step 800
800
#6A4533
oklch(42.8% 0.059 46.6)
-
Step 900
900 (this color)
#573B2E
oklch(38.1% 0.045 45.8)
-
Step 950
950
#32221B
oklch(26.9% 0.028 44.6)
#573B2E 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) | #423E2D | 0.039 |
| Deuteranopia (no green cones) | #49442E | 0.036 |
| Tritanopia (no blue cones) | #5E3638 | 0.028 |
| Achromatopsia (no color) | #414141 | 0.046 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #573B2E
#573B2E
oklch(38.1% 0.045 45.8)
- #264855
#264855
oklch(38.2% 0.045 224.9)
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 #573B2E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Purple Brown #673A3F ΔE 0.043
- Charcoal Grey #3C4142 ΔE 0.053
- Mud Brown #60460F ΔE 0.057
- Onyx #343A40 ΔE 0.068
- Chestnut #742802 ΔE 0.071
- Brownish Purple #76424E ΔE 0.081
- Green Brown #544E03 ΔE 0.082
- Dark Slate Gray #2F4F4F ΔE 0.083
Use #573B2E 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.