#AC5136
Closest named color: Sienna (#A0522D). oklch(54.4% 0.126 37.3), rgb(172, 81, 54).
Aa
White text reads best on this color (5.27:1).
About this color
#AC5136 is a medium-dark, moderately saturated red. In OKLCH its lightness is 54%, its chroma 0.126 and its hue 37°. Its hue sits on the warm side of the wheel. The nearest named color is Sienna (#A0522D), ΔE 0.026 away. White text reads best on it, at 5.27:1.
| Hue family | Reds |
| Lightness | medium-dark (54%) |
| Chroma | moderately saturated (0.126) |
| Temperature | warm |
| Nearest name | Sienna (#A0522D) |
| Black text | 3.98:1 |
| White text | 5.27:1 |
Values
| HEX | #AC5136 |
| RGB | rgb(172, 81, 54) |
| HSL | hsl(14, 52%, 44%) |
| OKLCH | oklch(54.4% 0.126 37.3) |
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 #AC5136 | 5.27:1 | AA | Lc -81.0 | Fine for body text |
| Black text on #AC5136 | 3.98:1 | AA large text | Lc 28.4 | Dividers and decoration only |
| #AC5136 text on white | 5.27:1 | AA | Lc 75.7 | Fine for body text |
| #AC5136 text on black | 3.98:1 | AA large text | Lc -26.1 | 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
#F4E6E2
oklch(93.5% 0.016 36.5)
-
Step 200
200
#EDD2CB
oklch(88.4% 0.032 34.9)
-
Step 300
300
#E2B5A7
oklch(81% 0.056 38)
-
Step 400
400
#D28C78
oklch(70.6% 0.091 36.7)
-
Step 500
500
#C56E55
oklch(63.1% 0.117 36.9)
-
Step 600
600 (this color)
#AC5136
oklch(54.4% 0.126 37.3)
-
Step 700
700
#97442C
oklch(49% 0.118 36.9)
-
Step 800
800
#7B3925
oklch(42.8% 0.098 37.6)
-
Step 900
900
#633223
oklch(37.8% 0.075 37.8)
-
Step 950
950
#3A1D15
oklch(26.9% 0.048 36.3)
#AC5136 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) | #695F33 | 0.124 |
| Deuteranopia (no green cones) | #7F7334 | 0.114 |
| Tritanopia (no blue cones) | #BC3F4B | 0.057 |
| Achromatopsia (no color) | #6C6C6C | 0.127 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #AC5136
#AC5136
oklch(54.4% 0.126 37.3)
- #007D95
#007D95
oklch(54.4% 0.097 217.5)
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 #AC5136, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Sienna #A0522D ΔE 0.026
- Cinnamon #AC4F06 ΔE 0.032
- Burnt Siena #B75203 ΔE 0.038
- Sinopia #BB3E03 ΔE 0.045
- Brick Orange #C14A09 ΔE 0.045
- Burnt Umber #A0450E ΔE 0.046
- Burnt Orange #C04E01 ΔE 0.046
- Dusty Red #B9484E ΔE 0.047
Use #AC5136 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.