#AA511D
Closest named color: Cinnamon (#AC4F06). oklch(53.8% 0.133 46.9), rgb(170, 81, 29).
Aa
White text reads best on this color (5.37:1).
About this color
#AA511D is a medium-dark, moderately saturated brown. In OKLCH its lightness is 54%, its chroma 0.133 and its hue 47°. Its hue sits on the warm side of the wheel. The nearest named color is Cinnamon (#AC4F06), ΔE 0.010 away. White text reads best on it, at 5.37:1.
| Hue family | Browns |
| Lightness | medium-dark (54%) |
| Chroma | moderately saturated (0.133) |
| Temperature | warm |
| Nearest name | Cinnamon (#AC4F06) |
| Black text | 3.90:1 |
| White text | 5.37:1 |
Values
| HEX | #AA511D |
| RGB | rgb(170, 81, 29) |
| HSL | hsl(22, 71%, 39%) |
| OKLCH | oklch(53.8% 0.133 46.9) |
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 #AA511D | 5.37:1 | AA | Lc -81.6 | Fine for body text |
| Black text on #AA511D | 3.90:1 | AA large text | Lc 27.8 | Dividers and decoration only |
| #AA511D text on white | 5.37:1 | AA | Lc 76.2 | Fine for body text |
| #AA511D text on black | 3.90:1 | 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
#FAF4F1
oklch(97.1% 0.008 48.7)
-
Step 100
100
#F4E7E0
oklch(93.6% 0.017 50.4)
-
Step 200
200
#EDD3C7
oklch(88.5% 0.033 46.4)
-
Step 300
300
#E2B6A0
oklch(81% 0.06 48)
-
Step 400
400
#D28E6C
oklch(70.7% 0.096 47.3)
-
Step 500
500
#C57044
oklch(63.1% 0.123 46.9)
-
Step 600
600 (this color)
#AA511D
oklch(53.8% 0.133 46.9)
-
Step 700
700
#974616
oklch(49.1% 0.123 46.8)
-
Step 800
800
#7B3A15
oklch(42.7% 0.103 46.9)
-
Step 900
900
#633319
oklch(37.8% 0.079 47.4)
-
Step 950
950
#3A1E10
oklch(27% 0.05 46.4)
#AA511D 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) | #6A5E15 | 0.121 |
| Deuteranopia (no green cones) | #80721B | 0.109 |
| Tritanopia (no blue cones) | #BB3D47 | 0.074 |
| Achromatopsia (no color) | #6A6A6A | 0.133 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #AA511D
#AA511D
oklch(53.8% 0.133 46.9)
- #00799C
#00799C
oklch(53.7% 0.104 226.8)
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 #AA511D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cinnamon #AC4F06 ΔE 0.010
- Sienna #A0522D ΔE 0.021
- Burnt Siena #B75203 ΔE 0.027
- Raw Umber #A75E09 ΔE 0.035
- Burnt Umber #A0450E ΔE 0.035
- Sepia #985E2B ΔE 0.041
- Burnt Orange #C04E01 ΔE 0.041
- Sinopia #BB3E03 ΔE 0.043
Use #AA511D 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.