#AC3773
Closest named color: Light Burgundy (#A8415B). oklch(52.5% 0.163 352.6), rgb(172, 55, 115).
Aa
White text reads best on this color (5.91:1).
About this color
#AC3773 is a medium-dark, vivid red. In OKLCH its lightness is 52%, its chroma 0.163 and its hue 353°. Its hue sits on the warm side of the wheel. The nearest named color is Light Burgundy (#A8415B), ΔE 0.047 away. White text reads best on it, at 5.91:1.
| Hue family | Reds |
| Lightness | medium-dark (52%) |
| Chroma | vivid (0.163) |
| Temperature | warm |
| Nearest name | Light Burgundy (#A8415B) |
| Black text | 3.54:1 |
| White text | 5.91:1 |
Values
| HEX | #AC3773 |
| RGB | rgb(172, 55, 115) |
| HSL | hsl(329, 52%, 45%) |
| OKLCH | oklch(52.5% 0.163 352.6) |
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 #AC3773 | 5.91:1 | AA | Lc -83.9 | Fine for body text |
| Black text on #AC3773 | 3.54:1 | AA large text | Lc 25.4 | Dividers and decoration only |
| #AC3773 text on white | 5.91:1 | AA | Lc 78.7 | Fine for body text |
| #AC3773 text on black | 3.54:1 | AA large text | Lc -23.1 | 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
#FBF3F6
oklch(97.1% 0.009 352.4)
-
Step 100
100
#F6E4EB
oklch(93.5% 0.022 351.9)
-
Step 200
200
#F0CFDC
oklch(88.6% 0.041 352.2)
-
Step 300
300
#E7AEC5
oklch(81% 0.073 352.8)
-
Step 400
400
#D881A7
oklch(70.7% 0.116 352.8)
-
Step 500
500
#CC5E92
oklch(63.2% 0.15 352.7)
-
Step 600
600 (this color)
#AC3773
oklch(52.5% 0.163 352.6)
-
Step 700
700
#9D3269
oklch(49.1% 0.152 352.4)
-
Step 800
800
#7F2B55
oklch(42.6% 0.124 352.7)
-
Step 900
900
#672846
oklch(37.7% 0.097 353.1)
-
Step 950
950
#3D1829
oklch(27% 0.062 353.3)
#AC3773 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) | #4A5775 | 0.181 |
| Deuteranopia (no green cones) | #6A6C70 | 0.163 |
| Tritanopia (no blue cones) | #B92F50 | 0.058 |
| Achromatopsia (no color) | #646464 | 0.164 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #AC3773
#AC3773
oklch(52.5% 0.163 352.6)
- #007D64
#007D64
oklch(52.5% 0.102 172.3)
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 #AC3773, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Burgundy #A8415B ΔE 0.047
- Dark Rose #B5485D ΔE 0.060
- Light Maroon #A24857 ΔE 0.064
- Light Plum #9D5783 ΔE 0.066
- Medium Violet Red #C71585 ΔE 0.066
- Violet Red #A50055 ΔE 0.067
- Deep Magenta #A0025C ΔE 0.069
- Raspberry #B00149 ΔE 0.070
Use #AC3773 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.