#AC4B4B
Closest named color: Dusty Red (#B9484E). oklch(53.8% 0.128 22.3), rgb(172, 75, 75).
Aa
White text reads best on this color (5.43:1).
About this color
#AC4B4B is a medium-dark, moderately saturated red. In OKLCH its lightness is 54%, its chroma 0.128 and its hue 22°. Its hue sits on the warm side of the wheel. The nearest named color is Dusty Red (#B9484E), ΔE 0.025 away. White text reads best on it, at 5.43:1.
| Hue family | Reds |
| Lightness | medium-dark (54%) |
| Chroma | moderately saturated (0.128) |
| Temperature | warm |
| Nearest name | Dusty Red (#B9484E) |
| Black text | 3.86:1 |
| White text | 5.43:1 |
Values
| HEX | #AC4B4B |
| RGB | rgb(172, 75, 75) |
| HSL | hsl(0, 39%, 48%) |
| OKLCH | oklch(53.8% 0.128 22.3) |
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 #AC4B4B | 5.43:1 | AA | Lc -81.9 | Fine for body text |
| Black text on #AC4B4B | 3.86:1 | AA large text | Lc 27.5 | Dividers and decoration only |
| #AC4B4B text on white | 5.43:1 | AA | Lc 76.5 | Fine for body text |
| #AC4B4B text on black | 3.86:1 | AA large text | Lc -25.2 | 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
#FBF3F3
oklch(97% 0.009 17.3)
-
Step 100
100
#F5E6E5
oklch(93.7% 0.016 22.1)
-
Step 200
200
#EED1D0
oklch(88.5% 0.033 20.1)
-
Step 300
300
#E4B3B0
oklch(81% 0.057 22.5)
-
Step 400
400
#D48986
oklch(70.6% 0.093 22.2)
-
Step 500
500
#C76A68
oklch(63.1% 0.119 22.3)
-
Step 600
600 (this color)
#AC4B4B
oklch(53.8% 0.128 22.3)
-
Step 700
700
#994041
oklch(49.1% 0.12 21.9)
-
Step 800
800
#7C3635
oklch(42.7% 0.098 22.9)
-
Step 900
900
#642F2E
oklch(37.6% 0.077 22.5)
-
Step 950
950
#3B1C1B
oklch(27% 0.049 22.8)
#AC4B4B 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) | #625D4A | 0.137 |
| Deuteranopia (no green cones) | #7A7149 | 0.126 |
| Tritanopia (no blue cones) | #BC3B4C | 0.039 |
| Achromatopsia (no color) | #6A6A6A | 0.129 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #AC4B4B
#AC4B4B
oklch(53.8% 0.128 22.3)
- #007D85
#007D85
oklch(53.7% 0.091 202.7)
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 #AC4B4B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusty Red #B9484E ΔE 0.025
- Light Maroon #A24857 ΔE 0.029
- Dark Rose #B5485D ΔE 0.033
- Dull Red #BB3F3F ΔE 0.033
- Light Burgundy #A8415B ΔE 0.039
- Sienna #A0522D ΔE 0.050
- Sinopia #BB3E03 ΔE 0.061
- Brick #A03623 ΔE 0.062
Use #AC4B4B 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.