#542B09
Closest named color: Chestnut (#742802). oklch(33.7% 0.075 55.1), rgb(84, 43, 9).
Aa
White text reads best on this color (12.16:1).
About this color
#542B09 is a dark, moderately saturated brown. In OKLCH its lightness is 34%, its chroma 0.075 and its hue 55°. Its hue sits on the warm side of the wheel. The nearest named color is Chestnut (#742802), ΔE 0.067 away. White text reads best on it, at 12.16:1.
| Hue family | Browns |
| Lightness | dark (34%) |
| Chroma | moderately saturated (0.075) |
| Temperature | warm |
| Nearest name | Chestnut (#742802) |
| Black text | 1.72:1 |
| White text | 12.16:1 |
Values
| HEX | #542B09 |
| RGB | rgb(84, 43, 9) |
| HSL | hsl(27, 81%, 18%) |
| OKLCH | oklch(33.7% 0.075 55.1) |
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 #542B09 | 12.16:1 | AAA | Lc -101.0 | Preferred for body text |
| Black text on #542B09 | 1.72:1 | Fails | Lc 0.0 | Not readable |
| #542B09 text on white | 12.16:1 | AAA | Lc 97.4 | Preferred for body text |
| #542B09 text on black | 1.72:1 | 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
#FAF4F1
oklch(97.1% 0.008 48.7)
-
Step 100
100
#F3E7E0
oklch(93.6% 0.016 52.6)
-
Step 200
200
#EAD4C6
oklch(88.4% 0.031 54.7)
-
Step 300
300
#DEB89E
oklch(80.9% 0.057 56.2)
-
Step 400
400
#CD9269
oklch(70.8% 0.091 55.5)
-
Step 500
500
#BE753F
oklch(63.1% 0.115 55.3)
-
Step 600
600
#AA5C1B
oklch(55.6% 0.126 54.8)
-
Step 700
700
#914B0B
oklch(49% 0.116 55)
-
Step 800
800
#763E0F
oklch(42.6% 0.096 54.9)
-
Step 900
900 (this color)
#542B09
oklch(33.7% 0.075 55.1)
-
Step 950
950
#38200E
oklch(27.1% 0.047 56)
#542B09 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) | #373005 | 0.061 |
| Deuteranopia (no green cones) | #413909 | 0.054 |
| Tritanopia (no blue cones) | #5D2224 | 0.049 |
| Achromatopsia (no color) | #363636 | 0.075 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #542B09
#542B09
oklch(33.7% 0.075 55.1)
- #003C57
#003C57
oklch(33.7% 0.072 235.8)
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 #542B09, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Chestnut #742802 ΔE 0.067
- Chocolate Brown #411900 ΔE 0.068
- Reddy Brown #6E1005 ΔE 0.069
- Dark Olive #373E02 ΔE 0.079
- Mud Brown #60460F ΔE 0.083
- Pakistan Green #283618 ΔE 0.083
- Claret #680018 ΔE 0.084
- Purple Brown #673A3F ΔE 0.085
Use #542B09 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.