#A3553D
Closest named color: Sienna (#A0522D). oklch(53.8% 0.109 37.9), rgb(163, 85, 61).
Aa
White text reads best on this color (5.35:1).
About this color
#A3553D is a medium-dark, moderately saturated red. In OKLCH its lightness is 54%, its chroma 0.109 and its hue 38°. Its hue sits on the warm side of the wheel. The nearest named color is Sienna (#A0522D), ΔE 0.019 away. White text reads best on it, at 5.35:1.
| Hue family | Reds |
| Lightness | medium-dark (54%) |
| Chroma | moderately saturated (0.109) |
| Temperature | warm |
| Nearest name | Sienna (#A0522D) |
| Black text | 3.92:1 |
| White text | 5.35:1 |
Values
| HEX | #A3553D |
| RGB | rgb(163, 85, 61) |
| HSL | hsl(14, 46%, 44%) |
| OKLCH | oklch(53.8% 0.109 37.9) |
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 #A3553D | 5.35:1 | AA | Lc -81.6 | Fine for body text |
| Black text on #A3553D | 3.92:1 | AA large text | Lc 27.8 | Dividers and decoration only |
| #A3553D text on white | 5.35:1 | AA | Lc 76.3 | Fine for body text |
| #A3553D text on black | 3.92:1 | AA large text | Lc -25.5 | 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
#EAD3CC
oklch(88.4% 0.027 37.6)
-
Step 300
300
#DEB6AA
oklch(80.8% 0.05 37.3)
-
Step 400
400
#CC907D
oklch(70.7% 0.078 38.3)
-
Step 500
500
#BE735C
oklch(63.2% 0.101 37.8)
-
Step 600
600 (this color)
#A3553D
oklch(53.8% 0.109 37.9)
-
Step 700
700
#914A34
oklch(49.2% 0.102 37.9)
-
Step 800
800
#763D2B
oklch(42.8% 0.085 38.2)
-
Step 900
900
#5F3427
oklch(37.6% 0.066 37.6)
-
Step 950
950
#381F17
oklch(27% 0.042 38.5)
#A3553D 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) | #69603B | 0.106 |
| Deuteranopia (no green cones) | #7C713C | 0.097 |
| Tritanopia (no blue cones) | #B2474F | 0.051 |
| Achromatopsia (no color) | #6B6B6B | 0.110 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A3553D
#A3553D
oklch(53.8% 0.109 37.9)
- #007B93
#007B93
oklch(53.8% 0.097 217.8)
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 #A3553D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Sienna #A0522D ΔE 0.019
- Earth #A2653E ΔE 0.040
- Sepia #985E2B ΔE 0.040
- Cinnamon #AC4F06 ΔE 0.040
- Burnt Umber #A0450E ΔE 0.047
- Burnt Siena #B75203 ΔE 0.051
- Raw Umber #A75E09 ΔE 0.052
- Warm Brown #964E02 ΔE 0.053
Use #A3553D 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.