#AC443D
Closest named color: Dull Red (#BB3F3F). oklch(52.6% 0.138 26.7), rgb(172, 68, 61).
Aa
White text reads best on this color (5.75:1).
About this color
#AC443D is a medium-dark, moderately saturated red. In OKLCH its lightness is 53%, its chroma 0.138 and its hue 27°. Its hue sits on the warm side of the wheel. The nearest named color is Dull Red (#BB3F3F), ΔE 0.029 away. White text reads best on it, at 5.75:1.
| Hue family | Reds |
| Lightness | medium-dark (53%) |
| Chroma | moderately saturated (0.138) |
| Temperature | warm |
| Nearest name | Dull Red (#BB3F3F) |
| Black text | 3.64:1 |
| White text | 5.75:1 |
Values
| HEX | #AC443D |
| RGB | rgb(172, 68, 61) |
| HSL | hsl(4, 48%, 46%) |
| OKLCH | oklch(52.6% 0.138 26.7) |
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 #AC443D | 5.75:1 | AA | Lc -83.4 | Fine for body text |
| Black text on #AC443D | 3.64:1 | AA large text | Lc 26.0 | Dividers and decoration only |
| #AC443D text on white | 5.75:1 | AA | Lc 78.1 | Fine for body text |
| #AC443D text on black | 3.64:1 | AA large text | Lc -23.7 | 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
#FBF3F2
oklch(97% 0.009 26)
-
Step 100
100
#F6E6E3
oklch(93.7% 0.018 30.3)
-
Step 200
200
#EFD1CD
oklch(88.5% 0.034 26.8)
-
Step 300
300
#E6B2AB
oklch(80.9% 0.062 27.3)
-
Step 400
400
#D8887F
oklch(70.7% 0.1 26.8)
-
Step 500
500
#CB685F
oklch(63.1% 0.127 26.6)
-
Step 600
600 (this color)
#AC443D
oklch(52.6% 0.138 26.7)
-
Step 700
700
#9D3D37
oklch(49.1% 0.13 26.5)
-
Step 800
800
#7F332E
oklch(42.6% 0.107 26.3)
-
Step 900
900
#672E29
oklch(37.8% 0.083 26.8)
-
Step 950
950
#3C1B18
oklch(26.9% 0.053 26.5)
#AC443D 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) | #5F583C | 0.145 |
| Deuteranopia (no green cones) | #796E3A | 0.134 |
| Tritanopia (no blue cones) | #BC2F43 | 0.045 |
| Achromatopsia (no color) | #666666 | 0.139 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #AC443D
#AC443D
oklch(52.6% 0.138 26.7)
- #007985
#007985
oklch(52.6% 0.09 206.9)
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 #AC443D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dull Red #BB3F3F ΔE 0.029
- Dusty Red #B9484E ΔE 0.034
- Light Maroon #A24857 ΔE 0.038
- Brick #A03623 ΔE 0.044
- Rusty Red #AF2F0D ΔE 0.045
- Sienna #A0522D ΔE 0.045
- Light Burgundy #A8415B ΔE 0.046
- Dark Rose #B5485D ΔE 0.046
Use #AC443D 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.