#A3544C
Closest named color: Sienna (#A0522D). oklch(53.9% 0.106 27.1), rgb(163, 84, 76).
Aa
White text reads best on this color (5.34:1).
About this color
#A3544C is a medium-dark, moderately saturated red. In OKLCH its lightness is 54%, its chroma 0.106 and its hue 27°. Its hue sits on the warm side of the wheel. The nearest named color is Sienna (#A0522D), ΔE 0.037 away. White text reads best on it, at 5.34:1.
| Hue family | Reds |
| Lightness | medium-dark (54%) |
| Chroma | moderately saturated (0.106) |
| Temperature | warm |
| Nearest name | Sienna (#A0522D) |
| Black text | 3.92:1 |
| White text | 5.34:1 |
Values
| HEX | #A3544C |
| RGB | rgb(163, 84, 76) |
| HSL | hsl(6, 36%, 47%) |
| OKLCH | oklch(53.9% 0.106 27.1) |
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 #A3544C | 5.34:1 | AA | Lc -81.6 | Fine for body text |
| Black text on #A3544C | 3.92:1 | AA large text | Lc 27.8 | Dividers and decoration only |
| #A3544C text on white | 5.34:1 | AA | Lc 76.2 | Fine for body text |
| #A3544C 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
#FAF4F3
oklch(97.2% 0.007 28.8)
-
Step 100
100
#F3E7E5
oklch(93.7% 0.013 28.9)
-
Step 200
200
#EAD3D0
oklch(88.5% 0.026 26.6)
-
Step 300
300
#DEB6B0
oklch(81% 0.047 28.1)
-
Step 400
400
#CC8F87
oklch(70.8% 0.076 27.5)
-
Step 500
500
#BD7269
oklch(63.1% 0.097 27.5)
-
Step 600
600 (this color)
#A3544C
oklch(53.9% 0.106 27.1)
-
Step 700
700
#904941
oklch(49.1% 0.098 27.8)
-
Step 800
800
#753C36
oklch(42.7% 0.081 27.2)
-
Step 900
900
#5F342F
oklch(37.8% 0.063 27.5)
-
Step 950
950
#381F1C
oklch(27.2% 0.04 27.3)
#A3544C 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) | #67614B | 0.109 |
| Deuteranopia (no green cones) | #7A714B | 0.101 |
| Tritanopia (no blue cones) | #B14852 | 0.038 |
| Achromatopsia (no color) | #6B6B6B | 0.106 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A3544C
#A3544C
oklch(53.9% 0.106 27.1)
- #007D8A
#007D8A
oklch(53.9% 0.093 207.5)
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 #A3544C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Sienna #A0522D ΔE 0.037
- Light Maroon #A24857 ΔE 0.037
- Dusty Red #B9484E ΔE 0.046
- Dark Rose #B5485D ΔE 0.051
- Earth #A2653E ΔE 0.052
- Light Burgundy #A8415B ΔE 0.054
- Dull Red #BB3F3F ΔE 0.055
- Sepia #985E2B ΔE 0.057
Use #A3544C 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.