#542D09
Closest named color: Chestnut (#742802). oklch(34.1% 0.074 57.9), rgb(84, 45, 9).
Aa
White text reads best on this color (11.95:1).
About this color
#542D09 is a dark, moderately saturated brown. In OKLCH its lightness is 34%, its chroma 0.074 and its hue 58°. 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 11.95:1.
| Hue family | Browns |
| Lightness | dark (34%) |
| Chroma | moderately saturated (0.074) |
| Temperature | warm |
| Nearest name | Chestnut (#742802) |
| Black text | 1.75:1 |
| White text | 11.95:1 |
Values
| HEX | #542D09 |
| RGB | rgb(84, 45, 9) |
| HSL | hsl(29, 81%, 18%) |
| OKLCH | oklch(34.1% 0.074 57.9) |
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 #542D09 | 11.95:1 | AAA | Lc -100.7 | Preferred for body text |
| Black text on #542D09 | 1.75:1 | Fails | Lc 0.0 | Not readable |
| #542D09 text on white | 11.95:1 | AAA | Lc 97.1 | Preferred for body text |
| #542D09 text on black | 1.75:1 | 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
#F3E7E0
oklch(93.6% 0.016 52.6)
-
Step 200
200
#E9D5C6
oklch(88.5% 0.03 59.3)
-
Step 300
300
#DDB89E
oklch(80.8% 0.056 56.9)
-
Step 400
400
#CB9368
oklch(70.8% 0.089 58.2)
-
Step 500
500
#BC773E
oklch(63.2% 0.113 58.2)
-
Step 600
600
#A75E18
oklch(55.5% 0.123 58.1)
-
Step 700
700
#8F4D07
oklch(49% 0.114 58.1)
-
Step 800
800
#75400D
oklch(42.8% 0.095 58.1)
-
Step 900
900 (this color)
#542D09
oklch(34.1% 0.074 57.9)
-
Step 950
950
#37200D
oklch(26.9% 0.047 58.4)
#542D09 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) | #393104 | 0.056 |
| Deuteranopia (no green cones) | #423A09 | 0.050 |
| Tritanopia (no blue cones) | #5D2426 | 0.052 |
| Achromatopsia (no color) | #373737 | 0.074 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #542D09
#542D09
oklch(34.1% 0.074 57.9)
- #023D5A
#023D5A
oklch(34.2% 0.074 237.8)
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 #542D09, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Chestnut #742802 ΔE 0.067
- Reddy Brown #6E1005 ΔE 0.072
- Chocolate Brown #411900 ΔE 0.072
- Dark Olive #373E02 ΔE 0.075
- Mud Brown #60460F ΔE 0.077
- Pakistan Green #283618 ΔE 0.082
- Purple Brown #673A3F ΔE 0.083
- Charcoal Grey #3C4142 ΔE 0.085
Use #542D09 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.