#A55A3C
Closest named color: Sienna (#A0522D). oklch(54.9% 0.108 42.1), rgb(165, 90, 60).
Aa
White text reads best on this color (5.08:1).
About this color
#A55A3C is a medium-dark, moderately saturated brown. In OKLCH its lightness is 55%, its chroma 0.108 and its hue 42°. Its hue sits on the warm side of the wheel. The nearest named color is Sienna (#A0522D), ΔE 0.024 away. White text reads best on it, at 5.08:1.
| Hue family | Browns |
| Lightness | medium-dark (55%) |
| Chroma | moderately saturated (0.108) |
| Temperature | warm |
| Nearest name | Sienna (#A0522D) |
| Black text | 4.12:1 |
| White text | 5.08:1 |
Values
| HEX | #A55A3C |
| RGB | rgb(165, 90, 60) |
| HSL | hsl(17, 47%, 44%) |
| OKLCH | oklch(54.9% 0.108 42.1) |
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 #A55A3C | 5.08:1 | AA | Lc -80.2 | Fine for body text |
| Black text on #A55A3C | 4.12:1 | AA large text | Lc 29.3 | Dividers and decoration only |
| #A55A3C text on white | 5.08:1 | AA | Lc 74.8 | Content text, not long reading |
| #A55A3C text on black | 4.12:1 | AA large text | Lc -26.9 | 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
#CB917A
oklch(70.8% 0.078 42.5)
-
Step 500
500
#BC7559
oklch(63.2% 0.099 42.2)
-
Step 600
600 (this color)
#A55A3C
oklch(54.9% 0.108 42.1)
-
Step 700
700
#8F4B30
oklch(49% 0.1 41.8)
-
Step 800
800
#743E28
oklch(42.6% 0.083 42.4)
-
Step 900
900
#5E3525
oklch(37.6% 0.065 41.9)
-
Step 950
950
#371F16
oklch(26.8% 0.041 41.2)
#A55A3C 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) | #6E6439 | 0.100 |
| Deuteranopia (no green cones) | #80753B | 0.093 |
| Tritanopia (no blue cones) | #B44C53 | 0.057 |
| Achromatopsia (no color) | #6E6E6E | 0.108 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A55A3C
#A55A3C
oklch(54.9% 0.108 42.1)
- #007E9C
#007E9C
oklch(55% 0.102 222.2)
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 #A55A3C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Sienna #A0522D ΔE 0.024
- Earth #A2653E ΔE 0.027
- Sepia #985E2B ΔE 0.034
- Cinnamon #AC4F06 ΔE 0.039
- Raw Umber #A75E09 ΔE 0.042
- Burnt Siena #B75203 ΔE 0.045
- Copper #B66325 ΔE 0.048
- Orangey Brown #B16002 ΔE 0.050
Use #A55A3C 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.