#AA6639
Closest named color: Earth (#A2653E). oklch(57.7% 0.106 52.6), rgb(170, 102, 57).
Aa
Black text reads best on this color (4.66:1).
About this color
#AA6639 is a medium-dark, moderately saturated brown. In OKLCH its lightness is 58%, its chroma 0.106 and its hue 53°. Its hue sits on the warm side of the wheel. The nearest named color is Earth (#A2653E), ΔE 0.016 away. Black text reads best on it, at 4.66:1.
| Hue family | Browns |
| Lightness | medium-dark (58%) |
| Chroma | moderately saturated (0.106) |
| Temperature | warm |
| Nearest name | Earth (#A2653E) |
| Black text | 4.66:1 |
| White text | 4.49:1 |
Values
| HEX | #AA6639 |
| RGB | rgb(170, 102, 57) |
| HSL | hsl(24, 50%, 45%) |
| OKLCH | oklch(57.7% 0.106 52.6) |
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 #AA6639 | 4.49:1 | AA large text | Lc -76.4 | Fine for body text |
| Black text on #AA6639 | 4.66:1 | AA | Lc 33.1 | Non-text elements, placeholder text |
| #AA6639 text on white | 4.49:1 | AA large text | Lc 71.0 | Content text, not long reading |
| #AA6639 text on black | 4.66:1 | AA | Lc -30.7 | 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
#F2E8E2
oklch(93.7% 0.014 53.3)
-
Step 200
200
#E8D5C9
oklch(88.5% 0.027 54.5)
-
Step 300
300
#DAB9A5
oklch(80.9% 0.047 53)
-
Step 400
400
#C79474
oklch(70.8% 0.076 53.2)
-
Step 500
500
#B8784F
oklch(63.1% 0.098 52.7)
-
Step 600
600 (this color)
#AA6639
oklch(57.7% 0.106 52.6)
-
Step 700
700
#8C4F25
oklch(49.2% 0.099 52.7)
-
Step 800
800
#724120
oklch(42.8% 0.082 52.6)
-
Step 900
900
#5C3720
oklch(37.6% 0.064 51.6)
-
Step 950
950
#362113
oklch(27.1% 0.04 53.9)
#AA6639 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) | #796E35 | 0.087 |
| Deuteranopia (no green cones) | #8A7D39 | 0.079 |
| Tritanopia (no blue cones) | #B9585C | 0.069 |
| Achromatopsia (no color) | #777777 | 0.106 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #AA6639
#AA6639
oklch(57.7% 0.106 52.6)
- #2483AD
#2483AD
oklch(57.6% 0.106 232.6)
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 #AA6639, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Earth #A2653E ΔE 0.016
- Copper #B66325 ΔE 0.025
- Orangey Brown #B16002 ΔE 0.032
- Clay Brown #B2713D ΔE 0.032
- Umber #B26400 ΔE 0.034
- Raw Umber #A75E09 ΔE 0.034
- Clay #B66A50 ΔE 0.036
- Leather #AC7434 ΔE 0.039
Use #AA6639 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.