#AA6539
Closest named color: Earth (#A2653E). oklch(57.5% 0.107 51.6), rgb(170, 101, 57).
Aa
Black text reads best on this color (4.62:1).
About this color
#AA6539 is a medium-dark, moderately saturated brown. In OKLCH its lightness is 58%, its chroma 0.107 and its hue 52°. Its hue sits on the warm side of the wheel. The nearest named color is Earth (#A2653E), ΔE 0.015 away. Black text reads best on it, at 4.62:1.
| Hue family | Browns |
| Lightness | medium-dark (58%) |
| Chroma | moderately saturated (0.107) |
| Temperature | warm |
| Nearest name | Earth (#A2653E) |
| Black text | 4.62:1 |
| White text | 4.53:1 |
Values
| HEX | #AA6539 |
| RGB | rgb(170, 101, 57) |
| HSL | hsl(23, 50%, 45%) |
| OKLCH | oklch(57.5% 0.107 51.6) |
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 #AA6539 | 4.53:1 | AA | Lc -76.7 | Fine for body text |
| Black text on #AA6539 | 4.62:1 | AA | Lc 32.9 | Non-text elements, placeholder text |
| #AA6539 text on white | 4.53:1 | AA | Lc 71.2 | Content text, not long reading |
| #AA6539 text on black | 4.62:1 | AA | Lc -30.5 | Non-text elements, placeholder text |
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
#F9F4F2
oklch(97% 0.006 43.3)
-
Step 100
100
#F2E7E2
oklch(93.5% 0.014 46.2)
-
Step 200
200
#E8D5C9
oklch(88.5% 0.027 54.5)
-
Step 300
300
#DBB9A5
oklch(81% 0.048 52.2)
-
Step 400
400
#C89374
oklch(70.7% 0.077 51.4)
-
Step 500
500
#B97850
oklch(63.2% 0.098 51.7)
-
Step 600
600 (this color)
#AA6539
oklch(57.5% 0.107 51.6)
-
Step 700
700
#8C4E26
oklch(49% 0.099 51.2)
-
Step 800
800
#724121
oklch(42.8% 0.082 52)
-
Step 900
900
#5C3720
oklch(37.6% 0.064 51.6)
-
Step 950
950
#362113
oklch(27.1% 0.04 53.9)
#AA6539 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) | #796D35 | 0.087 |
| Deuteranopia (no green cones) | #897C39 | 0.080 |
| Tritanopia (no blue cones) | #B9575B | 0.068 |
| Achromatopsia (no color) | #767676 | 0.107 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #AA6539
#AA6539
oklch(57.5% 0.107 51.6)
- #2083AD
#2083AD
oklch(57.5% 0.107 232)
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 #AA6539, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Earth #A2653E ΔE 0.015
- Copper #B66325 ΔE 0.025
- Orangey Brown #B16002 ΔE 0.032
- Raw Umber #A75E09 ΔE 0.033
- Umber #B26400 ΔE 0.035
- Clay Brown #B2713D ΔE 0.035
- Clay #B66A50 ΔE 0.036
- Leather #AC7434 ΔE 0.041
Use #AA6539 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.