#AA4A25
Closest named color: Sienna (#A0522D). oklch(52.8% 0.136 40.3), rgb(170, 74, 37).
Aa
White text reads best on this color (5.65:1).
About this color
#AA4A25 is a medium-dark, moderately saturated brown. In OKLCH its lightness is 53%, its chroma 0.136 and its hue 40°. Its hue sits on the warm side of the wheel. The nearest named color is Sienna (#A0522D), ΔE 0.023 away. White text reads best on it, at 5.65:1.
| Hue family | Browns |
| Lightness | medium-dark (53%) |
| Chroma | moderately saturated (0.136) |
| Temperature | warm |
| Nearest name | Sienna (#A0522D) |
| Black text | 3.71:1 |
| White text | 5.65:1 |
Values
| HEX | #AA4A25 |
| RGB | rgb(170, 74, 37) |
| HSL | hsl(17, 64%, 41%) |
| OKLCH | oklch(52.8% 0.136 40.3) |
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 #AA4A25 | 5.65:1 | AA | Lc -82.9 | Fine for body text |
| Black text on #AA4A25 | 3.71:1 | AA large text | Lc 26.5 | Dividers and decoration only |
| #AA4A25 text on white | 5.65:1 | AA | Lc 77.6 | Fine for body text |
| #AA4A25 text on black | 3.71:1 | AA large text | Lc -24.2 | 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
#FBF4F1
oklch(97.2% 0.009 44.9)
-
Step 100
100
#F5E6E1
oklch(93.5% 0.018 39.4)
-
Step 200
200
#EED2C8
oklch(88.4% 0.034 40.7)
-
Step 300
300
#E4B4A3
oklch(80.9% 0.061 40.4)
-
Step 400
400
#D58B71
oklch(70.6% 0.098 40.1)
-
Step 500
500
#C86D4C
oklch(63.2% 0.125 40.4)
-
Step 600
600 (this color)
#AA4A25
oklch(52.8% 0.136 40.3)
-
Step 700
700
#9A4221
oklch(49% 0.127 40)
-
Step 800
800
#7D371D
oklch(42.6% 0.105 40.1)
-
Step 900
900
#65311D
oklch(37.8% 0.081 41.1)
-
Step 950
950
#3B1D12
oklch(27% 0.051 40.6)
#AA4A25 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) | #655A20 | 0.131 |
| Deuteranopia (no green cones) | #7C6F22 | 0.120 |
| Tritanopia (no blue cones) | #BB3442 | 0.065 |
| Achromatopsia (no color) | #676767 | 0.137 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #AA4A25
#AA4A25
oklch(52.8% 0.136 40.3)
- #007792
#007792
oklch(52.7% 0.097 220.9)
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 #AA4A25, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Sienna #A0522D ΔE 0.023
- Cinnamon #AC4F06 ΔE 0.024
- Burnt Umber #A0450E ΔE 0.028
- Sinopia #BB3E03 ΔE 0.036
- Burnt Siena #B75203 ΔE 0.039
- Russet #A13905 ΔE 0.042
- Rusty Red #AF2F0D ΔE 0.046
- Brick Orange #C14A09 ΔE 0.046
Use #AA4A25 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.