#A05B40
Closest named color: Sienna (#A0522D). oklch(54.5% 0.099 41.8), rgb(160, 91, 64).
Aa
White text reads best on this color (5.16:1).
About this color
#A05B40 is a medium-dark, moderately saturated brown. In OKLCH its lightness is 54%, its chroma 0.099 and its hue 42°. Its hue sits on the warm side of the wheel. The nearest named color is Sienna (#A0522D), ΔE 0.025 away. White text reads best on it, at 5.16:1.
| Hue family | Browns |
| Lightness | medium-dark (54%) |
| Chroma | moderately saturated (0.099) |
| Temperature | warm |
| Nearest name | Sienna (#A0522D) |
| Black text | 4.06:1 |
| White text | 5.16:1 |
Values
| HEX | #A05B40 |
| RGB | rgb(160, 91, 64) |
| HSL | hsl(17, 43%, 44%) |
| OKLCH | oklch(54.5% 0.099 41.8) |
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 #A05B40 | 5.16:1 | AA | Lc -80.7 | Fine for body text |
| Black text on #A05B40 | 4.06:1 | AA large text | Lc 28.8 | Dividers and decoration only |
| #A05B40 text on white | 5.16:1 | AA | Lc 75.3 | Fine for body text |
| #A05B40 text on black | 4.06:1 | AA large text | Lc -26.4 | 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
#F9F4F2
oklch(97% 0.006 43.3)
-
Step 100
100
#F2E7E3
oklch(93.6% 0.013 41.2)
-
Step 200
200
#E8D4CD
oklch(88.4% 0.024 40.3)
-
Step 300
300
#DBB8AB
oklch(81% 0.044 41.4)
-
Step 400
400
#C8927E
oklch(70.7% 0.072 41.2)
-
Step 500
500
#B8765D
oklch(63% 0.091 41.5)
-
Step 600
600 (this color)
#A05B40
oklch(54.5% 0.099 41.8)
-
Step 700
700
#8C4D35
oklch(49% 0.093 41.3)
-
Step 800
800
#72402C
oklch(42.8% 0.077 42.2)
-
Step 900
900
#5C3628
oklch(37.6% 0.06 40.9)
-
Step 950
950
#362018
oklch(27% 0.037 40.7)
#A05B40 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) | #6D643E | 0.091 |
| Deuteranopia (no green cones) | #7E733F | 0.084 |
| Tritanopia (no blue cones) | #AE4F54 | 0.051 |
| Achromatopsia (no color) | #6D6D6D | 0.100 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A05B40
#A05B40
oklch(54.5% 0.099 41.8)
- #067C99
#067C99
oklch(54.4% 0.099 222)
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 #A05B40, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Sienna #A0522D ΔE 0.025
- Earth #A2653E ΔE 0.027
- Sepia #985E2B ΔE 0.031
- Cocoa #875F42 ΔE 0.045
- Cinnamon #AC4F06 ΔE 0.045
- Raw Umber #A75E09 ΔE 0.046
- Burnt Siena #B75203 ΔE 0.054
- Copper #B66325 ΔE 0.056
Use #A05B40 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.