#AA5631
Closest named color: Sienna (#A0522D). oklch(54.8% 0.121 43.3), rgb(170, 86, 49).
Aa
White text reads best on this color (5.14:1).
About this color
#AA5631 is a medium-dark, moderately saturated brown. In OKLCH its lightness is 55%, its chroma 0.121 and its hue 43°. Its hue sits on the warm side of the wheel. The nearest named color is Sienna (#A0522D), ΔE 0.023 away. White text reads best on it, at 5.14:1.
| Hue family | Browns |
| Lightness | medium-dark (55%) |
| Chroma | moderately saturated (0.121) |
| Temperature | warm |
| Nearest name | Sienna (#A0522D) |
| Black text | 4.08:1 |
| White text | 5.14:1 |
Values
| HEX | #AA5631 |
| RGB | rgb(170, 86, 49) |
| HSL | hsl(18, 55%, 43%) |
| OKLCH | oklch(54.8% 0.121 43.3) |
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 #AA5631 | 5.14:1 | AA | Lc -80.4 | Fine for body text |
| Black text on #AA5631 | 4.08:1 | AA large text | Lc 29.1 | Dividers and decoration only |
| #AA5631 text on white | 5.14:1 | AA | Lc 75.0 | Content text, not long reading |
| #AA5631 text on black | 4.08:1 | AA large text | Lc -26.7 | 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
#FAF4F2
oklch(97.1% 0.007 39.5)
-
Step 100
100
#F4E7E2
oklch(93.7% 0.016 42.4)
-
Step 200
200
#ECD3C9
oklch(88.5% 0.031 43.1)
-
Step 300
300
#E0B6A5
oklch(80.9% 0.054 43.2)
-
Step 400
400
#CF8F74
oklch(70.7% 0.087 43.7)
-
Step 500
500
#C17250
oklch(63.1% 0.111 43.6)
-
Step 600
600 (this color)
#AA5631
oklch(54.8% 0.121 43.3)
-
Step 700
700
#944826
oklch(49.1% 0.113 43.3)
-
Step 800
800
#783B21
oklch(42.6% 0.094 42.7)
-
Step 900
900
#613320
oklch(37.6% 0.073 42.6)
-
Step 950
950
#391E13
oklch(26.9% 0.047 42.6)
#AA5631 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) | #6D622D | 0.112 |
| Deuteranopia (no green cones) | #817530 | 0.104 |
| Tritanopia (no blue cones) | #BA454E | 0.064 |
| Achromatopsia (no color) | #6D6D6D | 0.122 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #AA5631
#AA5631
oklch(54.8% 0.121 43.3)
- #007D9C
#007D9C
oklch(54.7% 0.102 223.1)
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 #AA5631, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Sienna #A0522D ΔE 0.023
- Cinnamon #AC4F06 ΔE 0.026
- Burnt Siena #B75203 ΔE 0.033
- Earth #A2653E ΔE 0.035
- Raw Umber #A75E09 ΔE 0.038
- Sepia #985E2B ΔE 0.039
- Orangey Brown #B16002 ΔE 0.044
- Copper #B66325 ΔE 0.044
Use #AA5631 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.