#AC4E51
Closest named color: Dusty Red (#B9484E). oklch(54.4% 0.124 20.1), rgb(172, 78, 81).
Aa
White text reads best on this color (5.29:1).
About this color
#AC4E51 is a medium-dark, moderately saturated red. In OKLCH its lightness is 54%, its chroma 0.124 and its hue 20°. 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 5.29:1.
| Hue family | Reds |
| Lightness | medium-dark (54%) |
| Chroma | moderately saturated (0.124) |
| Temperature | warm |
| Nearest name | Dusty Red (#B9484E) |
| Black text | 3.96:1 |
| White text | 5.29:1 |
Values
| HEX | #AC4E51 |
| RGB | rgb(172, 78, 81) |
| HSL | hsl(358, 38%, 49%) |
| OKLCH | oklch(54.4% 0.124 20.1) |
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 #AC4E51 | 5.29:1 | AA | Lc -81.2 | Fine for body text |
| Black text on #AC4E51 | 3.96:1 | AA large text | Lc 28.2 | Dividers and decoration only |
| #AC4E51 text on white | 5.29:1 | AA | Lc 75.8 | Fine for body text |
| #AC4E51 text on black | 3.96:1 | AA large text | Lc -25.9 | 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
#FAF4F3
oklch(97.2% 0.007 28.8)
-
Step 100
100
#F5E6E5
oklch(93.7% 0.016 22.1)
-
Step 200
200
#EDD2D1
oklch(88.6% 0.03 20.3)
-
Step 300
300
#E3B3B2
oklch(81% 0.056 19.8)
-
Step 400
400
#D28A89
oklch(70.6% 0.089 20.4)
-
Step 500
500
#C56B6C
oklch(63.1% 0.115 20.1)
-
Step 600
600 (this color)
#AC4E51
oklch(54.4% 0.124 20.1)
-
Step 700
700
#974245
oklch(49.2% 0.114 20.1)
-
Step 800
800
#7B3739
oklch(42.8% 0.095 20.1)
-
Step 900
900
#633031
oklch(37.7% 0.074 20)
-
Step 950
950
#3A1C1D
oklch(26.9% 0.047 18.6)
#AC4E51 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) | #645F51 | 0.132 |
| Deuteranopia (no green cones) | #7B734F | 0.123 |
| Tritanopia (no blue cones) | #BB4050 | 0.036 |
| Achromatopsia (no color) | #6B6B6B | 0.125 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #AC4E51
#AC4E51
oklch(54.4% 0.124 20.1)
- #008085
#008085
oklch(54.5% 0.093 199.6)
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 #AC4E51, 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 0.029
- Dull Red #BB3F3F ΔE 0.038
- Light Burgundy #A8415B ΔE 0.038
- Sienna #A0522D ΔE 0.054
- Deep Rose #C74767 ΔE 0.062
- Sinopia #BB3E03 ΔE 0.067
Use #AC4E51 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.