#AC424B
Closest named color: Light Maroon (#A24857). oklch(52.6% 0.139 18.2), rgb(172, 66, 75).
Aa
White text reads best on this color (5.77:1).
About this color
#AC424B is a medium-dark, moderately saturated red. In OKLCH its lightness is 53%, its chroma 0.139 and its hue 18°. Its hue sits on the warm side of the wheel. The nearest named color is Light Maroon (#A24857), ΔE 0.024 away. White text reads best on it, at 5.77:1.
| Hue family | Reds |
| Lightness | medium-dark (53%) |
| Chroma | moderately saturated (0.139) |
| Temperature | warm |
| Nearest name | Light Maroon (#A24857) |
| Black text | 3.63:1 |
| White text | 5.77:1 |
Values
| HEX | #AC424B |
| RGB | rgb(172, 66, 75) |
| HSL | hsl(355, 45%, 47%) |
| OKLCH | oklch(52.6% 0.139 18.2) |
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 #AC424B | 5.77:1 | AA | Lc -83.4 | Fine for body text |
| Black text on #AC424B | 3.63:1 | AA large text | Lc 25.9 | Dividers and decoration only |
| #AC424B text on white | 5.77:1 | AA | Lc 78.2 | Fine for body text |
| #AC424B text on black | 3.63:1 | AA large text | Lc -23.6 | 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
#F6E5E5
oklch(93.5% 0.019 17.5)
-
Step 200
200
#EFD1D0
oklch(88.5% 0.034 20.1)
-
Step 300
300
#E6B1B1
oklch(80.9% 0.062 18.5)
-
Step 400
400
#D88789
oklch(70.8% 0.1 18.3)
-
Step 500
500
#CB666B
oklch(63.1% 0.128 18.4)
-
Step 600
600 (this color)
#AC424B
oklch(52.6% 0.139 18.2)
-
Step 700
700
#9C3C44
oklch(49.1% 0.128 18.2)
-
Step 800
800
#7F3238
oklch(42.7% 0.107 18.1)
-
Step 900
900
#672D30
oklch(37.8% 0.084 18.8)
-
Step 950
950
#3C1B1C
oklch(27% 0.052 19.2)
#AC424B 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) | #5B584B | 0.152 |
| Deuteranopia (no green cones) | #766E48 | 0.140 |
| Tritanopia (no blue cones) | #BC2F46 | 0.038 |
| Achromatopsia (no color) | #666666 | 0.140 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #AC424B
#AC424B
oklch(52.6% 0.139 18.2)
- #007A7D
#007A7D
oklch(52.6% 0.089 197.8)
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 #AC424B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Maroon #A24857 ΔE 0.024
- Light Burgundy #A8415B ΔE 0.026
- Dusty Red #B9484E ΔE 0.030
- Dark Rose #B5485D ΔE 0.032
- Dull Red #BB3F3F ΔE 0.032
- Brown #A52A2A ΔE 0.053
- Brick #A03623 ΔE 0.055
- Firebrick #B22222 ΔE 0.055
Use #AC424B 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.