#A3540F
Closest named color: Cinnamon (#AC4F06). oklch(53.2% 0.127 54), rgb(163, 84, 15).
Aa
White text reads best on this color (5.47:1).
About this color
#A3540F is a medium-dark, moderately saturated brown. In OKLCH its lightness is 53%, its chroma 0.127 and its hue 54°. Its hue sits on the warm side of the wheel. The nearest named color is Cinnamon (#AC4F06), ΔE 0.019 away. White text reads best on it, at 5.47:1.
| Hue family | Browns |
| Lightness | medium-dark (53%) |
| Chroma | moderately saturated (0.127) |
| Temperature | warm |
| Nearest name | Cinnamon (#AC4F06) |
| Black text | 3.83:1 |
| White text | 5.47:1 |
Values
| HEX | #A3540F |
| RGB | rgb(163, 84, 15) |
| HSL | hsl(28, 83%, 35%) |
| OKLCH | oklch(53.2% 0.127 54) |
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 #A3540F | 5.47:1 | AA | Lc -82.2 | Fine for body text |
| Black text on #A3540F | 3.83:1 | AA large text | Lc 27.2 | Dividers and decoration only |
| #A3540F text on white | 5.47:1 | AA | Lc 76.9 | Fine for body text |
| #A3540F text on black | 3.83:1 | AA large text | Lc -24.9 | Dividers and decoration only |
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 600.
-
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
#EBD4C6
oklch(88.5% 0.032 53.5)
-
Step 300
300
#DFB79E
oklch(80.8% 0.058 53.7)
-
Step 400
400
#CE9169
oklch(70.8% 0.092 53.9)
-
Step 500
500
#BF743F
oklch(63% 0.117 54)
-
Step 600
600 (this color)
#A3540F
oklch(53.2% 0.127 54)
-
Step 700
700
#934A0A
oklch(49.1% 0.119 53.6)
-
Step 800
800
#773E0F
oklch(42.8% 0.098 54.4)
-
Step 900
900
#603515
oklch(37.7% 0.076 54.3)
-
Step 950
950
#391F0E
oklch(27% 0.049 52.4)
#A3540F 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) | #6B5E00 | 0.106 |
| Deuteranopia (no green cones) | #7E700D | 0.095 |
| Tritanopia (no blue cones) | #B34248 | 0.082 |
| Achromatopsia (no color) | #696969 | 0.128 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A3540F
#A3540F
oklch(53.2% 0.127 54)
- #0076A3
#0076A3
oklch(53.3% 0.112 234)
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 #A3540F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cinnamon #AC4F06 ΔE 0.019
- Sienna #A0522D ΔE 0.024
- Raw Umber #A75E09 ΔE 0.027
- Sepia #985E2B ΔE 0.029
- Warm Brown #964E02 ΔE 0.031
- Burnt Umber #A0450E ΔE 0.036
- Burnt Siena #B75203 ΔE 0.038
- Raw Sienna #9A6200 ΔE 0.039
Use #A3540F 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.