#AA552C
Closest named color: Sienna (#A0522D). oklch(54.6% 0.124 44.6), rgb(170, 85, 44).
Aa
White text reads best on this color (5.19:1).
About this color
#AA552C is a medium-dark, moderately saturated brown. In OKLCH its lightness is 55%, its chroma 0.124 and its hue 45°. Its hue sits on the warm side of the wheel. The nearest named color is Sienna (#A0522D), ΔE 0.021 away. White text reads best on it, at 5.19:1.
| Hue family | Browns |
| Lightness | medium-dark (55%) |
| Chroma | moderately saturated (0.124) |
| Temperature | warm |
| Nearest name | Sienna (#A0522D) |
| Black text | 4.04:1 |
| White text | 5.19:1 |
Values
| HEX | #AA552C |
| RGB | rgb(170, 85, 44) |
| HSL | hsl(20, 59%, 42%) |
| OKLCH | oklch(54.6% 0.124 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 #AA552C | 5.19:1 | AA | Lc -80.6 | Fine for body text |
| Black text on #AA552C | 4.04:1 | AA large text | Lc 28.8 | Dividers and decoration only |
| #AA552C text on white | 5.19:1 | AA | Lc 75.3 | Fine for body text |
| #AA552C text on black | 4.04:1 | AA large text | Lc -26.5 | 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
#F4E7E1
oklch(93.7% 0.016 46.6)
-
Step 200
200
#ECD3C9
oklch(88.5% 0.031 43.1)
-
Step 300
300
#E1B6A3
oklch(81% 0.057 45.1)
-
Step 400
400
#D08F72
oklch(70.8% 0.089 44.9)
-
Step 500
500
#C2714D
oklch(63.1% 0.114 44.2)
-
Step 600
600 (this color)
#AA552C
oklch(54.6% 0.124 44.6)
-
Step 700
700
#954822
oklch(49.2% 0.115 44.8)
-
Step 800
800
#793B1E
oklch(42.7% 0.096 44.2)
-
Step 900
900
#62331E
oklch(37.7% 0.075 44)
-
Step 950
950
#391E12
oklch(26.9% 0.047 44.3)
#AA552C 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) | #6D6127 | 0.113 |
| Deuteranopia (no green cones) | #81742A | 0.104 |
| Tritanopia (no blue cones) | #BA434C | 0.067 |
| Achromatopsia (no color) | #6D6D6D | 0.125 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #AA552C
#AA552C
oklch(54.6% 0.124 44.6)
- #007C9D
#007C9D
oklch(54.5% 0.103 224.8)
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 #AA552C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Sienna #A0522D ΔE 0.021
- Cinnamon #AC4F06 ΔE 0.022
- Burnt Siena #B75203 ΔE 0.030
- Raw Umber #A75E09 ΔE 0.036
- Earth #A2653E ΔE 0.038
- Sepia #985E2B ΔE 0.038
- Orangey Brown #B16002 ΔE 0.042
- Burnt Orange #C04E01 ΔE 0.043
Use #AA552C 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.