#A6552D
Closest named color: Sienna (#A0522D). oklch(54% 0.119 45.2), rgb(166, 85, 45).
Aa
White text reads best on this color (5.30:1).
About this color
#A6552D is a medium-dark, moderately saturated brown. In OKLCH its lightness is 54%, its chroma 0.119 and its hue 45°. Its hue sits on the warm side of the wheel. The nearest named color is Sienna (#A0522D), ΔE 0.014 away. White text reads best on it, at 5.30:1.
| Hue family | Browns |
| Lightness | medium-dark (54%) |
| Chroma | moderately saturated (0.119) |
| Temperature | warm |
| Nearest name | Sienna (#A0522D) |
| Black text | 3.95:1 |
| White text | 5.30:1 |
Values
| HEX | #A6552D |
| RGB | rgb(166, 85, 45) |
| HSL | hsl(20, 57%, 41%) |
| OKLCH | oklch(54% 0.119 45.2) |
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 #A6552D | 5.30:1 | AA | Lc -81.3 | Fine for body text |
| Black text on #A6552D | 3.95:1 | AA large text | Lc 28.1 | Dividers and decoration only |
| #A6552D text on white | 5.30:1 | AA | Lc 75.9 | Fine for body text |
| #A6552D 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
#DFB6A4
oklch(80.8% 0.054 45)
-
Step 400
400
#CE9073
oklch(70.8% 0.086 45.9)
-
Step 500
500
#C0734F
oklch(63.2% 0.11 45.3)
-
Step 600
600 (this color)
#A6552D
oklch(54% 0.119 45.2)
-
Step 700
700
#934924
oklch(49.1% 0.112 45.3)
-
Step 800
800
#773C20
oklch(42.6% 0.092 44.7)
-
Step 900
900
#60341F
oklch(37.6% 0.071 45.4)
-
Step 950
950
#391F13
oklch(27.1% 0.046 45.1)
#A6552D 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) | #6B6029 | 0.109 |
| Deuteranopia (no green cones) | #7F722C | 0.099 |
| Tritanopia (no blue cones) | #B6444C | 0.066 |
| Achromatopsia (no color) | #6B6B6B | 0.120 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A6552D
#A6552D
oklch(54% 0.119 45.2)
- #007A9B
#007A9B
oklch(53.9% 0.102 225.2)
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 #A6552D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Sienna #A0522D ΔE 0.014
- Cinnamon #AC4F06 ΔE 0.024
- Sepia #985E2B ΔE 0.033
- Raw Umber #A75E09 ΔE 0.036
- Burnt Siena #B75203 ΔE 0.036
- Earth #A2653E ΔE 0.037
- Burnt Umber #A0450E ΔE 0.040
- Warm Brown #964E02 ΔE 0.045
Use #A6552D 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.