#AA4E2B
Closest named color: Sienna (#A0522D). oklch(53.5% 0.131 40.5), rgb(170, 78, 43).
Aa
White text reads best on this color (5.47:1).
About this color
#AA4E2B is a medium-dark, moderately saturated brown. In OKLCH its lightness is 53%, its chroma 0.131 and its hue 40°. Its hue sits on the warm side of the wheel. The nearest named color is Sienna (#A0522D), ΔE 0.020 away. White text reads best on it, at 5.47:1.
| Hue family | Browns |
| Lightness | medium-dark (53%) |
| Chroma | moderately saturated (0.131) |
| Temperature | warm |
| Nearest name | Sienna (#A0522D) |
| Black text | 3.83:1 |
| White text | 5.47:1 |
Values
| HEX | #AA4E2B |
| RGB | rgb(170, 78, 43) |
| HSL | hsl(17, 60%, 42%) |
| OKLCH | oklch(53.5% 0.131 40.5) |
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 #AA4E2B | 5.47:1 | AA | Lc -82.1 | Fine for body text |
| Black text on #AA4E2B | 3.83:1 | AA large text | Lc 27.3 | Dividers and decoration only |
| #AA4E2B text on white | 5.47:1 | AA | Lc 76.8 | Fine for body text |
| #AA4E2B text on black | 3.83:1 | AA large text | Lc -25.0 | 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
#FAF4F1
oklch(97.1% 0.008 48.7)
-
Step 100
100
#F5E6E1
oklch(93.5% 0.018 39.4)
-
Step 200
200
#EDD3C9
oklch(88.6% 0.032 42.2)
-
Step 300
300
#E3B5A4
oklch(81% 0.059 41.3)
-
Step 400
400
#D38C73
oklch(70.6% 0.094 40.2)
-
Step 500
500
#C66E4E
oklch(63.1% 0.121 40.5)
-
Step 600
600 (this color)
#AA4E2B
oklch(53.5% 0.131 40.5)
-
Step 700
700
#984424
oklch(49.1% 0.122 40.4)
-
Step 800
800
#7B3920
oklch(42.7% 0.099 40.6)
-
Step 900
900
#64311F
oklch(37.7% 0.079 39.9)
-
Step 950
950
#3B1D13
oklch(27% 0.05 39.1)
#AA4E2B 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) | #675D27 | 0.126 |
| Deuteranopia (no green cones) | #7E7129 | 0.115 |
| Tritanopia (no blue cones) | #BB3A46 | 0.064 |
| Achromatopsia (no color) | #696969 | 0.131 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #AA4E2B
#AA4E2B
oklch(53.5% 0.131 40.5)
- #007994
#007994
oklch(53.3% 0.098 220.6)
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 #AA4E2B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Sienna #A0522D ΔE 0.020
- Cinnamon #AC4F06 ΔE 0.023
- Burnt Umber #A0450E ΔE 0.034
- Burnt Siena #B75203 ΔE 0.036
- Sinopia #BB3E03 ΔE 0.040
- Brick Orange #C14A09 ΔE 0.045
- Burnt Orange #C04E01 ΔE 0.046
- Sepia #985E2B ΔE 0.048
Use #AA4E2B 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.