#AC5643
Closest named color: Sienna (#A0522D). oklch(55.4% 0.117 33.7), rgb(172, 86, 67).
Aa
White text reads best on this color (5.04:1).
About this color
#AC5643 is a medium-dark, moderately saturated red. In OKLCH its lightness is 55%, its chroma 0.117 and its hue 34°. Its hue sits on the warm side of the wheel. The nearest named color is Sienna (#A0522D), ΔE 0.035 away. White text reads best on it, at 5.04:1.
| Hue family | Reds |
| Lightness | medium-dark (55%) |
| Chroma | moderately saturated (0.117) |
| Temperature | warm |
| Nearest name | Sienna (#A0522D) |
| Black text | 4.16:1 |
| White text | 5.04:1 |
Values
| HEX | #AC5643 |
| RGB | rgb(172, 86, 67) |
| HSL | hsl(11, 44%, 47%) |
| OKLCH | oklch(55.4% 0.117 33.7) |
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 #AC5643 | 5.04:1 | AA | Lc -79.8 | Fine for body text |
| Black text on #AC5643 | 4.16:1 | AA large text | Lc 29.7 | Dividers and decoration only |
| #AC5643 text on white | 5.04:1 | AA | Lc 74.4 | Content text, not long reading |
| #AC5643 text on black | 4.16:1 | 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
#F4E6E3
oklch(93.5% 0.016 32)
-
Step 200
200
#ECD3CD
oklch(88.6% 0.029 33.7)
-
Step 300
300
#E0B5AB
oklch(80.9% 0.052 33.3)
-
Step 400
400
#D08D7E
oklch(70.7% 0.085 33.1)
-
Step 500
500
#C2705D
oklch(63.2% 0.108 34)
-
Step 600
600 (this color)
#AC5643
oklch(55.4% 0.117 33.7)
-
Step 700
700
#944635
oklch(49% 0.109 33.6)
-
Step 800
800
#783A2D
oklch(42.6% 0.09 33.1)
-
Step 900
900
#613328
oklch(37.7% 0.069 34.4)
-
Step 950
950
#391E18
oklch(27% 0.044 33.4)
#AC5643 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) | #6C6341 | 0.116 |
| Deuteranopia (no green cones) | #817641 | 0.108 |
| Tritanopia (no blue cones) | #BC4752 | 0.050 |
| Achromatopsia (no color) | #6F6F6F | 0.118 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #AC5643
#AC5643
oklch(55.4% 0.117 33.7)
- #008195
#008195
oklch(55.4% 0.097 213.5)
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 #AC5643, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Sienna #A0522D ΔE 0.035
- Earth #A2653E ΔE 0.042
- Dusty Red #B9484E ΔE 0.043
- Cinnamon #AC4F06 ΔE 0.045
- Burnt Siena #B75203 ΔE 0.047
- Dull Red #BB3F3F ΔE 0.049
- Clay #B66A50 ΔE 0.052
- Brick Orange #C14A09 ΔE 0.054
Use #AC5643 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.