#AC5545
Closest named color: Sienna (#A0522D). oklch(55.2% 0.118 31.8), rgb(172, 85, 69).
Aa
White text reads best on this color (5.07:1).
About this color
#AC5545 is a medium-dark, moderately saturated red. In OKLCH its lightness is 55%, its chroma 0.118 and its hue 32°. Its hue sits on the warm side of the wheel. The nearest named color is Sienna (#A0522D), ΔE 0.037 away. White text reads best on it, at 5.07:1.
| Hue family | Reds |
| Lightness | medium-dark (55%) |
| Chroma | moderately saturated (0.118) |
| Temperature | warm |
| Nearest name | Sienna (#A0522D) |
| Black text | 4.13:1 |
| White text | 5.07:1 |
Values
| HEX | #AC5545 |
| RGB | rgb(172, 85, 69) |
| HSL | hsl(9, 43%, 47%) |
| OKLCH | oklch(55.2% 0.118 31.8) |
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 #AC5545 | 5.07:1 | AA | Lc -80.0 | Fine for body text |
| Black text on #AC5545 | 4.13:1 | AA large text | Lc 29.5 | Dividers and decoration only |
| #AC5545 text on white | 5.07:1 | AA | Lc 74.6 | Content text, not long reading |
| #AC5545 text on black | 4.13:1 | AA large text | Lc -27.1 | 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
#F4E6E4
oklch(93.5% 0.016 27.3)
-
Step 200
200
#ECD3CD
oklch(88.6% 0.029 33.7)
-
Step 300
300
#E1B5AC
oklch(81% 0.053 31.6)
-
Step 400
400
#D08D80
oklch(70.7% 0.085 31.4)
-
Step 500
500
#C26F5F
oklch(63% 0.109 31.9)
-
Step 600
600 (this color)
#AC5545
oklch(55.2% 0.118 31.8)
-
Step 700
700
#954638
oklch(49.2% 0.11 31.6)
-
Step 800
800
#793A2E
oklch(42.8% 0.091 32.2)
-
Step 900
900
#623229
oklch(37.7% 0.071 31.8)
-
Step 950
950
#391E18
oklch(27% 0.044 33.4)
#AC5545 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) | #6B6343 | 0.119 |
| Deuteranopia (no green cones) | #807543 | 0.109 |
| Tritanopia (no blue cones) | #BC4651 | 0.047 |
| Achromatopsia (no color) | #6E6E6E | 0.118 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #AC5545
#AC5545
oklch(55.2% 0.118 31.8)
- #008193
#008193
oklch(55.4% 0.096 211.7)
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 #AC5545, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Sienna #A0522D ΔE 0.037
- Dusty Red #B9484E ΔE 0.039
- Earth #A2653E ΔE 0.045
- Dull Red #BB3F3F ΔE 0.047
- Cinnamon #AC4F06 ΔE 0.048
- Burnt Siena #B75203 ΔE 0.050
- Light Maroon #A24857 ΔE 0.051
- Dark Rose #B5485D ΔE 0.052
Use #AC5545 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.