#AA4F21
Closest named color: Cinnamon (#AC4F06). oklch(53.5% 0.133 44.6), rgb(170, 79, 33).
Aa
White text reads best on this color (5.45:1).
About this color
#AA4F21 is a medium-dark, moderately saturated brown. In OKLCH its lightness is 54%, its chroma 0.133 and its hue 45°. Its hue sits on the warm side of the wheel. The nearest named color is Cinnamon (#AC4F06), ΔE 0.014 away. White text reads best on it, at 5.45:1.
| Hue family | Browns |
| Lightness | medium-dark (54%) |
| Chroma | moderately saturated (0.133) |
| Temperature | warm |
| Nearest name | Cinnamon (#AC4F06) |
| Black text | 3.84:1 |
| White text | 5.45:1 |
Values
| HEX | #AA4F21 |
| RGB | rgb(170, 79, 33) |
| HSL | hsl(20, 67%, 40%) |
| OKLCH | oklch(53.5% 0.133 44.6) |
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 #AA4F21 | 5.45:1 | AA | Lc -82.0 | Fine for body text |
| Black text on #AA4F21 | 3.84:1 | AA large text | Lc 27.4 | Dividers and decoration only |
| #AA4F21 text on white | 5.45:1 | AA | Lc 76.6 | Fine for body text |
| #AA4F21 text on black | 3.84:1 | AA large text | Lc -25.1 | 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
#F5E7E1
oklch(93.7% 0.017 44.8)
-
Step 200
200
#EDD3C8
oklch(88.5% 0.033 44.3)
-
Step 300
300
#E3B5A1
oklch(80.9% 0.06 44.7)
-
Step 400
400
#D38D6E
oklch(70.7% 0.096 44.6)
-
Step 500
500
#C66F47
oklch(63.2% 0.123 44.6)
-
Step 600
600 (this color)
#AA4F21
oklch(53.5% 0.133 44.6)
-
Step 700
700
#98451B
oklch(49.1% 0.124 44.4)
-
Step 800
800
#7B3919
oklch(42.6% 0.102 44.3)
-
Step 900
900
#64321B
oklch(37.8% 0.08 44.2)
-
Step 950
950
#3B1E11
oklch(27.2% 0.051 44.3)
#AA4F21 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) | #695D1B | 0.123 |
| Deuteranopia (no green cones) | #7F711F | 0.112 |
| Tritanopia (no blue cones) | #BB3B46 | 0.071 |
| Achromatopsia (no color) | #696969 | 0.134 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #AA4F21
#AA4F21
oklch(53.5% 0.133 44.6)
- #007999
#007999
oklch(53.6% 0.101 224.6)
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 #AA4F21, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cinnamon #AC4F06 ΔE 0.014
- Sienna #A0522D ΔE 0.020
- Burnt Siena #B75203 ΔE 0.030
- Burnt Umber #A0450E ΔE 0.032
- Sinopia #BB3E03 ΔE 0.040
- Raw Umber #A75E09 ΔE 0.041
- Burnt Orange #C04E01 ΔE 0.043
- Brick Orange #C14A09 ΔE 0.043
Use #AA4F21 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.