#A5543E
Closest named color: Sienna (#A0522D). oklch(53.9% 0.112 36.2), rgb(165, 84, 62).
Aa
White text reads best on this color (5.33:1).
About this color
#A5543E is a medium-dark, moderately saturated red. In OKLCH its lightness is 54%, its chroma 0.112 and its hue 36°. Its hue sits on the warm side of the wheel. The nearest named color is Sienna (#A0522D), ΔE 0.021 away. White text reads best on it, at 5.33:1.
| Hue family | Reds |
| Lightness | medium-dark (54%) |
| Chroma | moderately saturated (0.112) |
| Temperature | warm |
| Nearest name | Sienna (#A0522D) |
| Black text | 3.93:1 |
| White text | 5.33:1 |
Values
| HEX | #A5543E |
| RGB | rgb(165, 84, 62) |
| HSL | hsl(13, 45%, 45%) |
| OKLCH | oklch(53.9% 0.112 36.2) |
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 #A5543E | 5.33:1 | AA | Lc -81.5 | Fine for body text |
| Black text on #A5543E | 3.93:1 | AA large text | Lc 27.9 | Dividers and decoration only |
| #A5543E text on white | 5.33:1 | AA | Lc 76.1 | Fine for body text |
| #A5543E text on black | 3.93:1 | AA large text | Lc -25.6 | 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
#FAF4F2
oklch(97.1% 0.007 39.5)
-
Step 100
100
#F3E7E3
oklch(93.6% 0.014 39.4)
-
Step 200
200
#EBD3CC
oklch(88.5% 0.029 36.9)
-
Step 300
300
#DFB6AA
oklch(80.9% 0.051 36.9)
-
Step 400
400
#CD8F7D
oklch(70.7% 0.08 36.9)
-
Step 500
500
#BF725D
oklch(63.1% 0.103 36.1)
-
Step 600
600 (this color)
#A5543E
oklch(53.9% 0.112 36.2)
-
Step 700
700
#924834
oklch(49% 0.105 36.1)
-
Step 800
800
#773C2C
oklch(42.8% 0.087 36.1)
-
Step 900
900
#603428
oklch(37.8% 0.067 36.1)
-
Step 950
950
#381F17
oklch(27% 0.042 38.5)
#A5543E 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) | #69603C | 0.110 |
| Deuteranopia (no green cones) | #7D723D | 0.102 |
| Tritanopia (no blue cones) | #B4454F | 0.051 |
| Achromatopsia (no color) | #6B6B6B | 0.113 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A5543E
#A5543E
oklch(53.9% 0.112 36.2)
- #007C92
#007C92
oklch(54% 0.096 215.9)
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 #A5543E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Sienna #A0522D ΔE 0.021
- Cinnamon #AC4F06 ΔE 0.041
- Earth #A2653E ΔE 0.042
- Sepia #985E2B ΔE 0.044
- Burnt Umber #A0450E ΔE 0.048
- Burnt Siena #B75203 ΔE 0.050
- Dusty Red #B9484E ΔE 0.052
- Light Maroon #A24857 ΔE 0.052
Use #A5543E 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.