#AC4928
Closest named color: Sienna (#A0522D). oklch(53% 0.138 38.4), rgb(172, 73, 40).
Aa
White text reads best on this color (5.61:1).
About this color
#AC4928 is a medium-dark, moderately saturated red. In OKLCH its lightness is 53%, its chroma 0.138 and its hue 38°. Its hue sits on the warm side of the wheel. The nearest named color is Sienna (#A0522D), ΔE 0.027 away. White text reads best on it, at 5.61:1.
| Hue family | Reds |
| Lightness | medium-dark (53%) |
| Chroma | moderately saturated (0.138) |
| Temperature | warm |
| Nearest name | Sienna (#A0522D) |
| Black text | 3.73:1 |
| White text | 5.61:1 |
Values
| HEX | #AC4928 |
| RGB | rgb(172, 73, 40) |
| HSL | hsl(15, 62%, 42%) |
| OKLCH | oklch(53% 0.138 38.4) |
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 #AC4928 | 5.61:1 | AA | Lc -82.7 | Fine for body text |
| Black text on #AC4928 | 3.73:1 | AA large text | Lc 26.7 | Dividers and decoration only |
| #AC4928 text on white | 5.61:1 | AA | Lc 77.4 | Fine for body text |
| #AC4928 text on black | 3.73:1 | AA large text | Lc -24.4 | 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
#FBF4F1
oklch(97.2% 0.009 44.9)
-
Step 100
100
#F5E6E1
oklch(93.5% 0.018 39.4)
-
Step 200
200
#EFD2C9
oklch(88.6% 0.035 38)
-
Step 300
300
#E5B3A4
oklch(80.8% 0.062 37.3)
-
Step 400
400
#D68B72
oklch(70.8% 0.099 39.2)
-
Step 500
500
#C96B4D
oklch(63% 0.127 38.4)
-
Step 600
600 (this color)
#AC4928
oklch(53% 0.138 38.4)
-
Step 700
700
#9B4123
oklch(49.1% 0.128 38.4)
-
Step 800
800
#7E361E
oklch(42.7% 0.107 38.6)
-
Step 900
900
#66301E
oklch(37.8% 0.083 38.9)
-
Step 950
950
#3C1C12
oklch(26.9% 0.053 38.1)
#AC4928 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) | #645A24 | 0.137 |
| Deuteranopia (no green cones) | #7D7025 | 0.125 |
| Tritanopia (no blue cones) | #BD3342 | 0.062 |
| Achromatopsia (no color) | #676767 | 0.139 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #AC4928
#AC4928
oklch(53% 0.138 38.4)
- #007891
#007891
oklch(52.9% 0.096 219.1)
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 #AC4928, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Sienna #A0522D ΔE 0.027
- Cinnamon #AC4F06 ΔE 0.027
- Burnt Umber #A0450E ΔE 0.032
- Sinopia #BB3E03 ΔE 0.033
- Burnt Siena #B75203 ΔE 0.039
- Russet #A13905 ΔE 0.044
- Brick Orange #C14A09 ΔE 0.044
- Rusty Red #AF2F0D ΔE 0.044
Use #AC4928 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.