#AA581D
Closest named color: Cinnamon (#AC4F06). oklch(55% 0.127 51.5), rgb(170, 88, 29).
Aa
White text reads best on this color (5.09:1).
About this color
#AA581D is a medium-dark, moderately saturated brown. In OKLCH its lightness is 55%, its chroma 0.127 and its hue 52°. Its hue sits on the warm side of the wheel. The nearest named color is Cinnamon (#AC4F06), ΔE 0.019 away. White text reads best on it, at 5.09:1.
| Hue family | Browns |
| Lightness | medium-dark (55%) |
| Chroma | moderately saturated (0.127) |
| Temperature | warm |
| Nearest name | Cinnamon (#AC4F06) |
| Black text | 4.12:1 |
| White text | 5.09:1 |
Values
| HEX | #AA581D |
| RGB | rgb(170, 88, 29) |
| HSL | hsl(25, 71%, 39%) |
| OKLCH | oklch(55% 0.127 51.5) |
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 #AA581D | 5.09:1 | AA | Lc -80.1 | Fine for body text |
| Black text on #AA581D | 4.12:1 | AA large text | Lc 29.4 | Dividers and decoration only |
| #AA581D text on white | 5.09:1 | AA | Lc 74.7 | Content text, not long reading |
| #AA581D text on black | 4.12:1 | AA large text | Lc -27.0 | 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
#F3E7E0
oklch(93.6% 0.016 52.6)
-
Step 200
200
#EBD4C6
oklch(88.5% 0.032 53.5)
-
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)
#AA581D
oklch(55% 0.127 51.5)
-
Step 700
700
#944911
oklch(49.1% 0.119 51.1)
-
Step 800
800
#783D12
oklch(42.8% 0.098 52)
-
Step 900
900
#613417
oklch(37.6% 0.077 51.1)
-
Step 950
950
#391F0F
oklch(27% 0.048 51.1)
#AA581D 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) | #706313 | 0.108 |
| Deuteranopia (no green cones) | #83751C | 0.098 |
| Tritanopia (no blue cones) | #BB464C | 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°).
- #AA581D
#AA581D
oklch(55% 0.127 51.5)
- #007CA7
#007CA7
oklch(55% 0.112 231.6)
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 #AA581D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cinnamon #AC4F06 ΔE 0.019
- Raw Umber #A75E09 ΔE 0.020
- Burnt Siena #B75203 ΔE 0.025
- Orangey Brown #B16002 ΔE 0.029
- Sienna #A0522D ΔE 0.030
- Sepia #985E2B ΔE 0.034
- Earth #A2653E ΔE 0.036
- Copper #B66325 ΔE 0.036
Use #AA581D 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.