#A65728
Closest named color: Sienna (#A0522D). oklch(54.3% 0.12 48.7), rgb(166, 87, 40).
Aa
White text reads best on this color (5.22:1).
About this color
#A65728 is a medium-dark, moderately saturated brown. In OKLCH its lightness is 54%, its chroma 0.120 and its hue 49°. Its hue sits on the warm side of the wheel. The nearest named color is Sienna (#A0522D), ΔE 0.019 away. White text reads best on it, at 5.22:1.
| Hue family | Browns |
| Lightness | medium-dark (54%) |
| Chroma | moderately saturated (0.120) |
| Temperature | warm |
| Nearest name | Sienna (#A0522D) |
| Black text | 4.01:1 |
| White text | 5.22:1 |
Values
| HEX | #A65728 |
| RGB | rgb(166, 87, 40) |
| HSL | hsl(22, 61%, 40%) |
| OKLCH | oklch(54.3% 0.12 48.7) |
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 #A65728 | 5.22:1 | AA | Lc -80.9 | Fine for body text |
| Black text on #A65728 | 4.01:1 | AA large text | Lc 28.5 | Dividers and decoration only |
| #A65728 text on white | 5.22:1 | AA | Lc 75.5 | Fine for body text |
| #A65728 text on black | 4.01:1 | AA large text | Lc -26.2 | 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
#FAF4F1
oklch(97.1% 0.008 48.7)
-
Step 100
100
#F3E7E1
oklch(93.6% 0.015 48.6)
-
Step 200
200
#EBD4C8
oklch(88.6% 0.03 49.4)
-
Step 300
300
#DFB7A3
oklch(81% 0.054 48)
-
Step 400
400
#CD9071
oklch(70.6% 0.086 47.8)
-
Step 500
500
#BF744A
oklch(63.2% 0.111 49.1)
-
Step 600
600 (this color)
#A65728
oklch(54.3% 0.12 48.7)
-
Step 700
700
#924A1F
oklch(49.1% 0.112 48.4)
-
Step 800
800
#773D1C
oklch(42.7% 0.093 48)
-
Step 900
900
#60351D
oklch(37.8% 0.072 48.6)
-
Step 950
950
#381F12
oklch(26.9% 0.045 47.6)
#A65728 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) | #6D6122 | 0.105 |
| Deuteranopia (no green cones) | #807327 | 0.096 |
| Tritanopia (no blue cones) | #B6464D | 0.071 |
| Achromatopsia (no color) | #6C6C6C | 0.120 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A65728
#A65728
oklch(54.3% 0.12 48.7)
- #007AA0
#007AA0
oklch(54.2% 0.106 228.7)
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 #A65728, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Sienna #A0522D ΔE 0.019
- Cinnamon #AC4F06 ΔE 0.022
- Raw Umber #A75E09 ΔE 0.029
- Sepia #985E2B ΔE 0.029
- Earth #A2653E ΔE 0.034
- Burnt Siena #B75203 ΔE 0.034
- Orangey Brown #B16002 ΔE 0.039
- Burnt Umber #A0450E ΔE 0.043
Use #A65728 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.