#AA571D
Closest named color: Cinnamon (#AC4F06). oklch(54.8% 0.128 50.8), rgb(170, 87, 29).
Aa
White text reads best on this color (5.13:1).
About this color
#AA571D is a medium-dark, moderately saturated brown. In OKLCH its lightness is 55%, its chroma 0.128 and its hue 51°. Its hue sits on the warm side of the wheel. The nearest named color is Cinnamon (#AC4F06), ΔE 0.017 away. White text reads best on it, at 5.13:1.
| Hue family | Browns |
| Lightness | medium-dark (55%) |
| Chroma | moderately saturated (0.128) |
| Temperature | warm |
| Nearest name | Cinnamon (#AC4F06) |
| Black text | 4.09:1 |
| White text | 5.13:1 |
Values
| HEX | #AA571D |
| RGB | rgb(170, 87, 29) |
| HSL | hsl(25, 71%, 39%) |
| OKLCH | oklch(54.8% 0.128 50.8) |
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 #AA571D | 5.13:1 | AA | Lc -80.3 | Fine for body text |
| Black text on #AA571D | 4.09:1 | AA large text | Lc 29.2 | Dividers and decoration only |
| #AA571D text on white | 5.13:1 | AA | Lc 74.9 | Content text, not long reading |
| #AA571D text on black | 4.09:1 | AA large text | Lc -26.8 | 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
#FAF4F1
oklch(97.1% 0.008 48.7)
-
Step 100
100
#F4E7E0
oklch(93.6% 0.017 50.4)
-
Step 200
200
#EBD4C7
oklch(88.5% 0.031 51.5)
-
Step 300
300
#E0B79F
oklch(81% 0.058 52)
-
Step 400
400
#CF906B
oklch(70.7% 0.092 51.2)
-
Step 500
500
#C17342
oklch(63.1% 0.118 51.3)
-
Step 600
600 (this color)
#AA571D
oklch(54.8% 0.128 50.8)
-
Step 700
700
#944912
oklch(49.1% 0.119 50.9)
-
Step 800
800
#783C13
oklch(42.6% 0.098 50.6)
-
Step 900
900
#613417
oklch(37.6% 0.077 51.1)
-
Step 950
950
#391F0F
oklch(27% 0.048 51.1)
#AA571D 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) | #6F6214 | 0.110 |
| Deuteranopia (no green cones) | #83751B | 0.100 |
| Tritanopia (no blue cones) | #BB454C | 0.078 |
| Achromatopsia (no color) | #6E6E6E | 0.128 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #AA571D
#AA571D
oklch(54.8% 0.128 50.8)
- #007BA5
#007BA5
oklch(54.7% 0.11 231.2)
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 #AA571D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cinnamon #AC4F06 ΔE 0.017
- Raw Umber #A75E09 ΔE 0.022
- Burnt Siena #B75203 ΔE 0.025
- Sienna #A0522D ΔE 0.028
- Orangey Brown #B16002 ΔE 0.031
- Sepia #985E2B ΔE 0.034
- Earth #A2653E ΔE 0.037
- Copper #B66325 ΔE 0.038
Use #AA571D 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.