#A6552B
Closest named color: Sienna (#A0522D). oklch(54% 0.12 46.1), rgb(166, 85, 43).
Aa
White text reads best on this color (5.30:1).
About this color
#A6552B is a medium-dark, moderately saturated brown. In OKLCH its lightness is 54%, its chroma 0.120 and its hue 46°. Its hue sits on the warm side of the wheel. The nearest named color is Sienna (#A0522D), ΔE 0.015 away. White text reads best on it, at 5.30:1.
| Hue family | Browns |
| Lightness | medium-dark (54%) |
| Chroma | moderately saturated (0.120) |
| Temperature | warm |
| Nearest name | Sienna (#A0522D) |
| Black text | 3.95:1 |
| White text | 5.30:1 |
Values
| HEX | #A6552B |
| RGB | rgb(166, 85, 43) |
| HSL | hsl(20, 59%, 41%) |
| OKLCH | oklch(54% 0.12 46.1) |
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 #A6552B | 5.30:1 | AA | Lc -81.3 | Fine for body text |
| Black text on #A6552B | 3.95:1 | AA large text | Lc 28.1 | Dividers and decoration only |
| #A6552B text on white | 5.30:1 | AA | Lc 76.0 | Fine for body text |
| #A6552B text on black | 3.95:1 | AA large text | Lc -25.8 | 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
#EBD4C9
oklch(88.6% 0.03 47.3)
-
Step 300
300
#DFB7A4
oklch(81% 0.053 46.8)
-
Step 400
400
#CE9072
oklch(70.7% 0.087 46.7)
-
Step 500
500
#C0734D
oklch(63.1% 0.111 46.4)
-
Step 600
600 (this color)
#A6552B
oklch(54% 0.12 46.1)
-
Step 700
700
#934923
oklch(49.1% 0.112 45.7)
-
Step 800
800
#773D1E
oklch(42.7% 0.092 46.9)
-
Step 900
900
#60341E
oklch(37.6% 0.072 46.3)
-
Step 950
950
#391F12
oklch(27.1% 0.046 46.7)
#A6552B 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) | #6C6026 | 0.108 |
| Deuteranopia (no green cones) | #7F722A | 0.099 |
| Tritanopia (no blue cones) | #B6444C | 0.068 |
| Achromatopsia (no color) | #6B6B6B | 0.121 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A6552B
#A6552B
oklch(54% 0.12 46.1)
- #007A9C
#007A9C
oklch(54% 0.103 225.9)
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 #A6552B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Sienna #A0522D ΔE 0.015
- Cinnamon #AC4F06 ΔE 0.022
- Sepia #985E2B ΔE 0.032
- Raw Umber #A75E09 ΔE 0.035
- Burnt Siena #B75203 ΔE 0.035
- Earth #A2653E ΔE 0.037
- Burnt Umber #A0450E ΔE 0.040
- Warm Brown #964E02 ΔE 0.044
Use #A6552B 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.