#A5533D
Closest named color: Sienna (#A0522D). oklch(53.8% 0.114 36), rgb(165, 83, 61).
Aa
White text reads best on this color (5.37:1).
About this color
#A5533D is a medium-dark, moderately saturated red. In OKLCH its lightness is 54%, its chroma 0.114 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 5.37:1.
| Hue family | Reds |
| Lightness | medium-dark (54%) |
| Chroma | moderately saturated (0.114) |
| Temperature | warm |
| Nearest name | Sienna (#A0522D) |
| Black text | 3.90:1 |
| White text | 5.37:1 |
Values
| HEX | #A5533D |
| RGB | rgb(165, 83, 61) |
| HSL | hsl(13, 46%, 44%) |
| OKLCH | oklch(53.8% 0.114 36) |
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 #A5533D | 5.37:1 | AA | Lc -81.7 | Fine for body text |
| Black text on #A5533D | 3.90:1 | AA large text | Lc 27.7 | Dividers and decoration only |
| #A5533D text on white | 5.37:1 | AA | Lc 76.4 | Fine for body text |
| #A5533D text on black | 3.90:1 | AA large text | Lc -25.4 | 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
#CE8F7D
oklch(70.8% 0.082 36.6)
-
Step 500
500
#C0715C
oklch(63.1% 0.105 35.7)
-
Step 600
600 (this color)
#A5533D
oklch(53.8% 0.114 36)
-
Step 700
700
#934834
oklch(49.2% 0.106 35.9)
-
Step 800
800
#773C2C
oklch(42.8% 0.087 36.1)
-
Step 900
900
#603327
oklch(37.6% 0.068 35.8)
-
Step 950
950
#391E17
oklch(27% 0.044 35.4)
#A5533D 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) | #68603B | 0.112 |
| Deuteranopia (no green cones) | #7C713C | 0.103 |
| Tritanopia (no blue cones) | #B4444E | 0.051 |
| Achromatopsia (no color) | #6A6A6A | 0.115 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A5533D
#A5533D
oklch(53.8% 0.114 36)
- #007B91
#007B91
oklch(53.7% 0.095 216)
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 #A5533D, 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 0.040
- Earth #A2653E ΔE 0.044
- Sepia #985E2B ΔE 0.045
- Burnt Umber #A0450E ΔE 0.046
- Burnt Siena #B75203 ΔE 0.050
- Dusty Red #B9484E ΔE 0.051
- Light Maroon #A24857 ΔE 0.052
Use #A5533D 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.