#543018
Closest named color: Chestnut (#742802). oklch(34.9% 0.064 52.8), rgb(84, 48, 24).
Aa
White text reads best on this color (11.58:1).
About this color
#543018 is a dark, muted brown. In OKLCH its lightness is 35%, its chroma 0.064 and its hue 53°. Its hue sits on the warm side of the wheel. The nearest named color is Chestnut (#742802), ΔE 0.066 away. White text reads best on it, at 11.58:1.
| Hue family | Browns |
| Lightness | dark (35%) |
| Chroma | muted (0.064) |
| Temperature | warm |
| Nearest name | Chestnut (#742802) |
| Black text | 1.81:1 |
| White text | 11.58:1 |
Values
| HEX | #543018 |
| RGB | rgb(84, 48, 24) |
| HSL | hsl(24, 56%, 21%) |
| OKLCH | oklch(34.9% 0.064 52.8) |
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 #543018 | 11.58:1 | AAA | Lc -100.1 | Preferred for body text |
| Black text on #543018 | 1.81:1 | Fails | Lc 7.4 | Not readable |
| #543018 text on white | 11.58:1 | AAA | Lc 96.4 | Preferred for body text |
| #543018 text on black | 1.81:1 | 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
#F9F4F1
oklch(97% 0.007 53.4)
-
Step 100
100
#F2E8E1
oklch(93.7% 0.014 57.6)
-
Step 200
200
#E8D5C9
oklch(88.5% 0.027 54.5)
-
Step 300
300
#DBB9A5
oklch(81% 0.048 52.2)
-
Step 400
400
#C79474
oklch(70.8% 0.076 53.2)
-
Step 500
500
#B8784F
oklch(63.1% 0.098 52.7)
-
Step 600
600
#A36032
oklch(55.6% 0.106 53.1)
-
Step 700
700
#8C4F25
oklch(49.2% 0.099 52.7)
-
Step 800
800
#724120
oklch(42.8% 0.082 52.6)
-
Step 900
900 (this color)
#543018
oklch(34.9% 0.064 52.8)
-
Step 950
950
#362113
oklch(27.1% 0.04 53.9)
#543018 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) | #3A3416 | 0.052 |
| Deuteranopia (no green cones) | #433C18 | 0.047 |
| Tritanopia (no blue cones) | #5C292A | 0.040 |
| Achromatopsia (no color) | #393939 | 0.064 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #543018
#543018
oklch(34.9% 0.064 52.8)
- #0E4056
#0E4056
oklch(35.1% 0.064 232.2)
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 #543018, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Chestnut #742802 ΔE 0.066
- Purple Brown #673A3F ΔE 0.071
- Mud Brown #60460F ΔE 0.073
- Reddy Brown #6E1005 ΔE 0.074
- Charcoal Grey #3C4142 ΔE 0.074
- Dark Olive #373E02 ΔE 0.076
- Onyx #343A40 ΔE 0.077
- Chocolate Brown #411900 ΔE 0.080
Use #543018 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.