#A05539
Closest named color: Sienna (#A0522D). oklch(53.3% 0.107 40.8), rgb(160, 85, 57).
Aa
White text reads best on this color (5.45:1).
About this color
#A05539 is a medium-dark, moderately saturated brown. In OKLCH its lightness is 53%, its chroma 0.107 and its hue 41°. Its hue sits on the warm side of the wheel. The nearest named color is Sienna (#A0522D), ΔE 0.013 away. White text reads best on it, at 5.45:1.
| Hue family | Browns |
| Lightness | medium-dark (53%) |
| Chroma | moderately saturated (0.107) |
| Temperature | warm |
| Nearest name | Sienna (#A0522D) |
| Black text | 3.85:1 |
| White text | 5.45:1 |
Values
| HEX | #A05539 |
| RGB | rgb(160, 85, 57) |
| HSL | hsl(16, 47%, 43%) |
| OKLCH | oklch(53.3% 0.107 40.8) |
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 #A05539 | 5.45:1 | AA | Lc -82.2 | Fine for body text |
| Black text on #A05539 | 3.85:1 | AA large text | Lc 27.2 | Dividers and decoration only |
| #A05539 text on white | 5.45:1 | AA | Lc 76.8 | Fine for body text |
| #A05539 text on black | 3.85:1 | AA large text | Lc -24.9 | 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
#F3E7E3
oklch(93.6% 0.014 39.4)
-
Step 200
200
#EAD4CC
oklch(88.6% 0.027 41.1)
-
Step 300
300
#DDB7A9
oklch(80.9% 0.048 41.2)
-
Step 400
400
#CB917B
oklch(70.8% 0.078 41.6)
-
Step 500
500
#BC745A
oklch(63% 0.099 40.6)
-
Step 600
600 (this color)
#A05539
oklch(53.3% 0.107 40.8)
-
Step 700
700
#8F4B31
oklch(49% 0.1 41.2)
-
Step 800
800
#743E2A
oklch(42.7% 0.082 40.8)
-
Step 900
900
#5E3526
oklch(37.6% 0.064 40.7)
-
Step 950
950
#371F17
oklch(26.9% 0.04 39.2)
#A05539 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) | #696036 | 0.101 |
| Deuteranopia (no green cones) | #7B7038 | 0.093 |
| Tritanopia (no blue cones) | #AF474E | 0.054 |
| Achromatopsia (no color) | #696969 | 0.108 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A05539
#A05539
oklch(53.3% 0.107 40.8)
- #007994
#007994
oklch(53.3% 0.098 220.6)
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 #A05539, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Sienna #A0522D ΔE 0.013
- Sepia #985E2B ΔE 0.034
- Cinnamon #AC4F06 ΔE 0.038
- Earth #A2653E ΔE 0.040
- Burnt Umber #A0450E ΔE 0.042
- Warm Brown #964E02 ΔE 0.046
- Cocoa #875F42 ΔE 0.048
- Raw Umber #A75E09 ΔE 0.049
Use #A05539 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.