#AC563F
Closest named color: Sienna (#A0522D). oklch(55.3% 0.118 36), rgb(172, 86, 63).
Aa
White text reads best on this color (5.05:1).
About this color
#AC563F is a medium-dark, moderately saturated red. In OKLCH its lightness is 55%, its chroma 0.118 and its hue 36°. Its hue sits on the warm side of the wheel. The nearest named color is Sienna (#A0522D), ΔE 0.032 away. White text reads best on it, at 5.05:1.
| Hue family | Reds |
| Lightness | medium-dark (55%) |
| Chroma | moderately saturated (0.118) |
| Temperature | warm |
| Nearest name | Sienna (#A0522D) |
| Black text | 4.15:1 |
| White text | 5.05:1 |
Values
| HEX | #AC563F |
| RGB | rgb(172, 86, 63) |
| HSL | hsl(13, 46%, 46%) |
| OKLCH | oklch(55.3% 0.118 36) |
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 #AC563F | 5.05:1 | AA | Lc -79.9 | Fine for body text |
| Black text on #AC563F | 4.15:1 | AA large text | Lc 29.6 | Dividers and decoration only |
| #AC563F text on white | 5.05:1 | AA | Lc 74.5 | Content text, not long reading |
| #AC563F text on black | 4.15:1 | AA large text | Lc -27.3 | 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
#F4E7E3
oklch(93.7% 0.015 37.9)
-
Step 200
200
#ECD3CC
oklch(88.6% 0.03 36.2)
-
Step 300
300
#E1B5A9
oklch(80.9% 0.054 35.7)
-
Step 400
400
#D08E7C
oklch(70.8% 0.085 35.9)
-
Step 500
500
#C2705A
oklch(63.1% 0.109 35.9)
-
Step 600
600 (this color)
#AC563F
oklch(55.3% 0.118 36)
-
Step 700
700
#944732
oklch(49.1% 0.109 36.2)
-
Step 800
800
#793A2A
oklch(42.7% 0.092 35.3)
-
Step 900
900
#613326
oklch(37.7% 0.07 36.6)
-
Step 950
950
#391E17
oklch(27% 0.044 35.4)
#AC563F 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) | #6C633D | 0.117 |
| Deuteranopia (no green cones) | #81763D | 0.108 |
| Tritanopia (no blue cones) | #BC4651 | 0.054 |
| Achromatopsia (no color) | #6F6F6F | 0.119 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #AC563F
#AC563F
oklch(55.3% 0.118 36)
- #008097
#008097
oklch(55.3% 0.098 216.2)
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 #AC563F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Sienna #A0522D ΔE 0.032
- Earth #A2653E ΔE 0.040
- Cinnamon #AC4F06 ΔE 0.041
- Burnt Siena #B75203 ΔE 0.043
- Dusty Red #B9484E ΔE 0.046
- Sepia #985E2B ΔE 0.050
- Burnt Orange #C04E01 ΔE 0.051
- Copper #B66325 ΔE 0.051
Use #AC563F 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.