#543721
Closest named color: Mud Brown (#60460F). oklch(36.5% 0.054 57.3), rgb(84, 55, 33).
Aa
White text reads best on this color (10.79:1).
About this color
#543721 is a dark, muted brown. In OKLCH its lightness is 37%, its chroma 0.054 and its hue 57°. Its hue sits on the warm side of the wheel. The nearest named color is Mud Brown (#60460F), ΔE 0.059 away. White text reads best on it, at 10.79:1.
| Hue family | Browns |
| Lightness | dark (37%) |
| Chroma | muted (0.054) |
| Temperature | warm |
| Nearest name | Mud Brown (#60460F) |
| Black text | 1.94:1 |
| White text | 10.79:1 |
Values
| HEX | #543721 |
| RGB | rgb(84, 55, 33) |
| HSL | hsl(26, 44%, 23%) |
| OKLCH | oklch(36.5% 0.054 57.3) |
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 #543721 | 10.79:1 | AAA | Lc -98.8 | Preferred for body text |
| Black text on #543721 | 1.94:1 | Fails | Lc 9.0 | Not readable |
| #543721 text on white | 10.79:1 | AAA | Lc 94.9 | Preferred for body text |
| #543721 text on black | 1.94:1 | Fails | Lc -7.7 | 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
#F8F5F2
oklch(97.2% 0.005 67.8)
-
Step 100
100
#F0E8E2
oklch(93.6% 0.012 59.6)
-
Step 200
200
#E5D6CB
oklch(88.5% 0.022 58.8)
-
Step 300
300
#D6BBA8
oklch(81% 0.041 57.2)
-
Step 400
400
#C09779
oklch(70.7% 0.065 57.7)
-
Step 500
500
#B07D57
oklch(63.2% 0.083 57.3)
-
Step 600
600
#9B653C
oklch(55.6% 0.09 56.8)
-
Step 700
700
#84542E
oklch(49.1% 0.083 57.6)
-
Step 800
800
#6B4527
oklch(42.7% 0.068 57.8)
-
Step 900
900 (this color)
#543721
oklch(36.5% 0.054 57.3)
-
Step 950
950
#332216
oklch(26.9% 0.033 56)
#543721 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) | #403A1F | 0.039 |
| Deuteranopia (no green cones) | #464021 | 0.037 |
| Tritanopia (no blue cones) | #5B3132 | 0.038 |
| Achromatopsia (no color) | #3D3D3D | 0.054 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #543721
#543721
oklch(36.5% 0.054 57.3)
- #204357
#204357
oklch(36.6% 0.053 235.8)
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 #543721, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Mud Brown #60460F ΔE 0.059
- Purple Brown #673A3F ΔE 0.060
- Charcoal Grey #3C4142 ΔE 0.060
- Chestnut #742802 ΔE 0.069
- Onyx #343A40 ΔE 0.070
- Dark Olive #373E02 ΔE 0.071
- Green Brown #544E03 ΔE 0.082
- Pakistan Green #283618 ΔE 0.083
Use #543721 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.