#573A34
Closest named color: Purple Brown (#673A3F). oklch(38% 0.043 32.1), rgb(87, 58, 52).
Aa
White text reads best on this color (10.19:1).
About this color
#573A34 is a dark, muted red. In OKLCH its lightness is 38%, its chroma 0.043 and its hue 32°. Its hue sits on the warm side of the wheel. The nearest named color is Purple Brown (#673A3F), ΔE 0.037 away. White text reads best on it, at 10.19:1.
| Hue family | Reds |
| Lightness | dark (38%) |
| Chroma | muted (0.043) |
| Temperature | warm |
| Nearest name | Purple Brown (#673A3F) |
| Black text | 2.06:1 |
| White text | 10.19:1 |
Values
| HEX | #573A34 |
| RGB | rgb(87, 58, 52) |
| HSL | hsl(10, 25%, 27%) |
| OKLCH | oklch(38% 0.043 32.1) |
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 #573A34 | 10.19:1 | AAA | Lc -97.7 | Preferred for body text |
| Black text on #573A34 | 2.06:1 | Fails | Lc 10.3 | Not readable |
| #573A34 text on white | 10.19:1 | AAA | Lc 93.6 | Preferred for body text |
| #573A34 text on black | 2.06:1 | Fails | Lc -8.9 | 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
#F8F4F4
oklch(97% 0.004 17.2)
-
Step 100
100
#F0E8E6
oklch(93.7% 0.009 34.3)
-
Step 200
200
#E5D5D2
oklch(88.5% 0.018 30.3)
-
Step 300
300
#D5BAB4
oklch(81% 0.032 32.6)
-
Step 400
400
#BF958D
oklch(70.7% 0.052 30.8)
-
Step 500
500
#AE7B70
oklch(63.1% 0.066 32.5)
-
Step 600
600
#996459
oklch(55.7% 0.071 32.3)
-
Step 700
700
#825249
oklch(49% 0.067 31.2)
-
Step 800
800
#6A443C
oklch(42.8% 0.055 32.4)
-
Step 900
900 (this color)
#573A34
oklch(38% 0.043 32.1)
-
Step 950
950
#33221E
oklch(27.2% 0.027 33.7)
#573A34 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) | #403E34 | 0.043 |
| Deuteranopia (no green cones) | #474334 | 0.039 |
| Tritanopia (no blue cones) | #5D3638 | 0.019 |
| Achromatopsia (no color) | #414141 | 0.043 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #573A34
#573A34
oklch(38% 0.043 32.1)
- #254950
#254950
oklch(38.2% 0.043 211.6)
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 #573A34, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Purple Brown #673A3F ΔE 0.037
- Charcoal Grey #3C4142 ΔE 0.051
- Onyx #343A40 ΔE 0.065
- Mud Brown #60460F ΔE 0.067
- Chestnut #742802 ΔE 0.074
- Brownish Purple #76424E ΔE 0.076
- Dark Slate Gray #2F4F4F ΔE 0.083
- Charcoal #264653 ΔE 0.086
Use #573A34 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.