#573C2E
Closest named color: Purple Brown (#673A3F). oklch(38.3% 0.045 48.4), rgb(87, 60, 46).
Aa
White text reads best on this color (10.04:1).
About this color
#573C2E is a dark, muted brown. In OKLCH its lightness is 38%, its chroma 0.045 and its hue 48°. Its hue sits on the warm side of the wheel. The nearest named color is Purple Brown (#673A3F), ΔE 0.044 away. White text reads best on it, at 10.04:1.
| Hue family | Browns |
| Lightness | dark (38%) |
| Chroma | muted (0.045) |
| Temperature | warm |
| Nearest name | Purple Brown (#673A3F) |
| Black text | 2.09:1 |
| White text | 10.04:1 |
Values
| HEX | #573C2E |
| RGB | rgb(87, 60, 46) |
| HSL | hsl(20, 31%, 26%) |
| OKLCH | oklch(38.3% 0.045 48.4) |
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 #573C2E | 10.04:1 | AAA | Lc -97.4 | Preferred for body text |
| Black text on #573C2E | 2.09:1 | Fails | Lc 10.7 | Not readable |
| #573C2E text on white | 10.04:1 | AAA | Lc 93.2 | Preferred for body text |
| #573C2E text on black | 2.09:1 | Fails | Lc -9.3 | 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
#F8F5F3
oklch(97.2% 0.004 56.4)
-
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
#D4BBAE
oklch(81% 0.034 49.3)
-
Step 400
400
#BD9784
oklch(70.6% 0.053 47.9)
-
Step 500
500
#AC7D65
oklch(63% 0.068 48.1)
-
Step 600
600
#97664C
oklch(55.6% 0.074 48.7)
-
Step 700
700
#81543D
oklch(49% 0.07 47.7)
-
Step 800
800
#694533
oklch(42.7% 0.057 47.3)
-
Step 900
900 (this color)
#573C2E
oklch(38.3% 0.045 48.4)
-
Step 950
950
#32221A
oklch(26.9% 0.029 47.6)
#573C2E 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) | #433F2D | 0.037 |
| Deuteranopia (no green cones) | #4A442E | 0.033 |
| Tritanopia (no blue cones) | #5E3738 | 0.028 |
| Achromatopsia (no color) | #424242 | 0.045 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #573C2E
#573C2E
oklch(38.3% 0.045 48.4)
- #284856
#284856
oklch(38.3% 0.045 228)
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 #573C2E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Purple Brown #673A3F ΔE 0.044
- Charcoal Grey #3C4142 ΔE 0.053
- Mud Brown #60460F ΔE 0.055
- Onyx #343A40 ΔE 0.069
- Chestnut #742802 ΔE 0.072
- Green Brown #544E03 ΔE 0.079
- Brownish Purple #76424E ΔE 0.080
- Dark Slate Gray #2F4F4F ΔE 0.082
Use #573C2E 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.