#AA4C3B
Closest named color: Sienna (#A0522D). oklch(53.4% 0.128 32), rgb(170, 76, 59).
Aa
White text reads best on this color (5.51:1).
About this color
#AA4C3B is a medium-dark, moderately saturated red. In OKLCH its lightness is 53%, its chroma 0.128 and its hue 32°. Its hue sits on the warm side of the wheel. The nearest named color is Sienna (#A0522D), ΔE 0.030 away. White text reads best on it, at 5.51:1.
| Hue family | Reds |
| Lightness | medium-dark (53%) |
| Chroma | moderately saturated (0.128) |
| Temperature | warm |
| Nearest name | Sienna (#A0522D) |
| Black text | 3.80:1 |
| White text | 5.51:1 |
Values
| HEX | #AA4C3B |
| RGB | rgb(170, 76, 59) |
| HSL | hsl(9, 48%, 45%) |
| OKLCH | oklch(53.4% 0.128 32) |
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 #AA4C3B | 5.51:1 | AA | Lc -82.3 | Fine for body text |
| Black text on #AA4C3B | 3.80:1 | AA large text | Lc 27.1 | Dividers and decoration only |
| #AA4C3B text on white | 5.51:1 | AA | Lc 77.0 | Fine for body text |
| #AA4C3B text on black | 3.80:1 | AA large text | Lc -24.8 | 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
#FBF4F2
oklch(97.2% 0.008 36.6)
-
Step 100
100
#F5E6E3
oklch(93.6% 0.017 31.1)
-
Step 200
200
#EDD2CC
oklch(88.5% 0.031 32.6)
-
Step 300
300
#E3B4AA
oklch(80.9% 0.057 32.1)
-
Step 400
400
#D38B7C
oklch(70.6% 0.092 32.3)
-
Step 500
500
#C66D5B
oklch(63.2% 0.117 32.5)
-
Step 600
600 (this color)
#AA4C3B
oklch(53.4% 0.128 32)
-
Step 700
700
#984333
oklch(49.1% 0.118 32.4)
-
Step 800
800
#7C372B
oklch(42.7% 0.099 31.6)
-
Step 900
900
#643127
oklch(37.8% 0.076 32.3)
-
Step 950
950
#3B1D17
oklch(27.1% 0.049 32.3)
#AA4C3B 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) | #645C39 | 0.130 |
| Deuteranopia (no green cones) | #7C7039 | 0.119 |
| Tritanopia (no blue cones) | #BA3A48 | 0.050 |
| Achromatopsia (no color) | #696969 | 0.128 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #AA4C3B
#AA4C3B
oklch(53.4% 0.128 32)
- #007B8C
#007B8C
oklch(53.5% 0.093 211.5)
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 #AA4C3B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Sienna #A0522D ΔE 0.030
- Dull Red #BB3F3F ΔE 0.039
- Dusty Red #B9484E ΔE 0.040
- Cinnamon #AC4F06 ΔE 0.043
- Burnt Umber #A0450E ΔE 0.044
- Light Maroon #A24857 ΔE 0.046
- Sinopia #BB3E03 ΔE 0.047
- Burnt Siena #B75203 ΔE 0.051
Use #AA4C3B 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.