#AC3663
Closest named color: Light Burgundy (#A8415B). oklch(51.8% 0.158 0.9), rgb(172, 54, 99).
Aa
White text reads best on this color (6.06:1).
About this color
#AC3663 is a medium-dark, vivid red. In OKLCH its lightness is 52%, its chroma 0.158 and its hue 1°. Its hue sits on the warm side of the wheel. The nearest named color is Light Burgundy (#A8415B), ΔE 0.027 away. White text reads best on it, at 6.06:1.
| Hue family | Reds |
| Lightness | medium-dark (52%) |
| Chroma | vivid (0.158) |
| Temperature | warm |
| Nearest name | Light Burgundy (#A8415B) |
| Black text | 3.46:1 |
| White text | 6.06:1 |
Values
| HEX | #AC3663 |
| RGB | rgb(172, 54, 99) |
| HSL | hsl(337, 52%, 44%) |
| OKLCH | oklch(51.8% 0.158 0.9) |
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 #AC3663 | 6.06:1 | AA | Lc -84.6 | Fine for body text |
| Black text on #AC3663 | 3.46:1 | AA large text | Lc 24.7 | Dividers and decoration only |
| #AC3663 text on white | 6.06:1 | AA | Lc 79.4 | Fine for body text |
| #AC3663 text on black | 3.46:1 | AA large text | Lc -22.5 | 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 700.
-
Step 50
50
#FCF3F5
oklch(97.2% 0.01 2)
-
Step 100
100
#F7E4E9
oklch(93.5% 0.022 359.7)
-
Step 200
200
#F2CED7
oklch(88.4% 0.042 1.2)
-
Step 300
300
#EBACBE
oklch(80.8% 0.077 0.2)
-
Step 400
400
#DE7F9C
oklch(70.7% 0.121 1.1)
-
Step 500
500
#D25A84
oklch(63% 0.157 0.7)
-
Step 600
600
#BD3C6D
oklch(55.5% 0.169 1.1)
-
Step 700
700 (this color)
#AC3663
oklch(51.8% 0.158 0.9)
-
Step 800
800
#84274B
oklch(42.7% 0.131 0.6)
-
Step 900
900
#6B263E
oklch(37.8% 0.101 1.6)
-
Step 950
950
#3F1725
oklch(27.1% 0.065 0.4)
#AC3663 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) | #4E5464 | 0.176 |
| Deuteranopia (no green cones) | #6E6B60 | 0.160 |
| Tritanopia (no blue cones) | #BA2748 | 0.046 |
| Achromatopsia (no color) | #626262 | 0.159 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #AC3663
#AC3663
oklch(51.8% 0.158 0.9)
- #007A6B
#007A6B
oklch(51.9% 0.094 180.3)
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 #AC3663, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Burgundy #A8415B ΔE 0.027
- Dark Rose #B5485D ΔE 0.046
- Light Maroon #A24857 ΔE 0.046
- Raspberry #B00149 ΔE 0.054
- Violet Red #A50055 ΔE 0.060
- Dusty Red #B9484E ΔE 0.064
- Rouge #AB1239 ΔE 0.064
- Rose Red #BE013C ΔE 0.066
Use #AC3663 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.