#A3501F
Closest named color: Sienna (#A0522D). oklch(52.6% 0.125 47.6), rgb(163, 80, 31).
Aa
White text reads best on this color (5.63:1).
About this color
#A3501F is a medium-dark, moderately saturated brown. In OKLCH its lightness is 53%, its chroma 0.125 and its hue 48°. Its hue sits on the warm side of the wheel. The nearest named color is Sienna (#A0522D), ΔE 0.012 away. White text reads best on it, at 5.63:1.
| Hue family | Browns |
| Lightness | medium-dark (53%) |
| Chroma | moderately saturated (0.125) |
| Temperature | warm |
| Nearest name | Sienna (#A0522D) |
| Black text | 3.72:1 |
| White text | 5.63:1 |
Values
| HEX | #A3501F |
| RGB | rgb(163, 80, 31) |
| HSL | hsl(22, 68%, 38%) |
| OKLCH | oklch(52.6% 0.125 47.6) |
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 #A3501F | 5.63:1 | AA | Lc -83.0 | Fine for body text |
| Black text on #A3501F | 3.72:1 | AA large text | Lc 26.4 | Dividers and decoration only |
| #A3501F text on white | 5.63:1 | AA | Lc 77.7 | Fine for body text |
| #A3501F text on black | 3.72:1 | AA large text | Lc -24.1 | 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
#F4E7E1
oklch(93.7% 0.016 46.6)
-
Step 200
200
#ECD3C8
oklch(88.5% 0.032 45.3)
-
Step 300
300
#E0B6A2
oklch(80.8% 0.056 46.8)
-
Step 400
400
#CF8F6F
oklch(70.6% 0.09 47.4)
-
Step 500
500
#C17248
oklch(63% 0.115 47.8)
-
Step 600
600 (this color)
#A3501F
oklch(52.6% 0.125 47.6)
-
Step 700
700
#94481C
oklch(49% 0.116 47.3)
-
Step 800
800
#783C19
oklch(42.7% 0.096 48.1)
-
Step 900
900
#61341B
oklch(37.7% 0.075 48.2)
-
Step 950
950
#391F11
oklch(27% 0.047 48.2)
#A3501F 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) | #685C18 | 0.112 |
| Deuteranopia (no green cones) | #7C6E1D | 0.101 |
| Tritanopia (no blue cones) | #B33E46 | 0.071 |
| Achromatopsia (no color) | #676767 | 0.126 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A3501F
#A3501F
oklch(52.6% 0.125 47.6)
- #007599
#007599
oklch(52.5% 0.103 228.3)
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 #A3501F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Sienna #A0522D ΔE 0.012
- Cinnamon #AC4F06 ΔE 0.019
- Burnt Umber #A0450E ΔE 0.026
- Warm Brown #964E02 ΔE 0.031
- Sepia #985E2B ΔE 0.035
- Raw Umber #A75E09 ΔE 0.040
- Burnt Siena #B75203 ΔE 0.041
- Russet #A13905 ΔE 0.048
Use #A3501F 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.