#AC502F
Closest named color: Sienna (#A0522D). oklch(54.1% 0.13 39.7), rgb(172, 80, 47).
Aa
White text reads best on this color (5.32:1).
About this color
#AC502F is a medium-dark, moderately saturated red. In OKLCH its lightness is 54%, its chroma 0.130 and its hue 40°. Its hue sits on the warm side of the wheel. The nearest named color is Sienna (#A0522D), ΔE 0.023 away. White text reads best on it, at 5.32:1.
| Hue family | Reds |
| Lightness | medium-dark (54%) |
| Chroma | moderately saturated (0.130) |
| Temperature | warm |
| Nearest name | Sienna (#A0522D) |
| Black text | 3.94:1 |
| White text | 5.32:1 |
Values
| HEX | #AC502F |
| RGB | rgb(172, 80, 47) |
| HSL | hsl(16, 57%, 43%) |
| OKLCH | oklch(54.1% 0.13 39.7) |
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 #AC502F | 5.32:1 | AA | Lc -81.3 | Fine for body text |
| Black text on #AC502F | 3.94:1 | AA large text | Lc 28.1 | Dividers and decoration only |
| #AC502F text on white | 5.32:1 | AA | Lc 76.0 | Fine for body text |
| #AC502F text on black | 3.94:1 | 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
#FAF4F2
oklch(97.1% 0.007 39.5)
-
Step 100
100
#F5E6E2
oklch(93.6% 0.017 35.3)
-
Step 200
200
#EDD3C9
oklch(88.6% 0.032 42.2)
-
Step 300
300
#E3B5A5
oklch(81% 0.058 40.1)
-
Step 400
400
#D38C74
oklch(70.6% 0.094 39.4)
-
Step 500
500
#C66E50
oklch(63.1% 0.12 39.4)
-
Step 600
600 (this color)
#AC502F
oklch(54.1% 0.13 39.7)
-
Step 700
700
#984426
oklch(49.1% 0.121 39.6)
-
Step 800
800
#7B3921
oklch(42.7% 0.099 40.1)
-
Step 900
900
#643120
oklch(37.7% 0.079 39)
-
Step 950
950
#3B1D13
oklch(27% 0.05 39.1)
#AC502F 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) | #695E2B | 0.125 |
| Deuteranopia (no green cones) | #80732D | 0.114 |
| Tritanopia (no blue cones) | #BD3D49 | 0.062 |
| Achromatopsia (no color) | #6B6B6B | 0.130 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #AC502F
#AC502F
oklch(54.1% 0.13 39.7)
- #007C96
#007C96
oklch(54.2% 0.098 219.3)
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 #AC502F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Sienna #A0522D ΔE 0.023
- Cinnamon #AC4F06 ΔE 0.026
- Burnt Siena #B75203 ΔE 0.034
- Sinopia #BB3E03 ΔE 0.041
- Burnt Umber #A0450E ΔE 0.041
- Brick Orange #C14A09 ΔE 0.042
- Burnt Orange #C04E01 ΔE 0.043
- Raw Umber #A75E09 ΔE 0.048
Use #AC502F 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.